Home / 14,441.04-21,681.48-9,987.68

Finding the Fourth Proportional to 14,441.04, 21,681.48 and 9,987.68

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Solution

The fourth proportional to 14,441.04, 21,681.48 and 9,987.68 is: 14,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,441.04 : 21,681.48 = 9,987.68 : x
  2. Step 2: Convert to fraction form
    14,441.04/21,681.48 = 9,987.68/x
  3. Step 3: Cross multiply
    14,441.04x = 21,681.48 × 9,987.68
  4. Step 4: Simplify right side
    14,441.04x = 216,547,684.17
  5. Step 5: Solve for x
    x = 216,547,684.17/14,441.04
  6. Step 6: Final answer
    x = 14,995.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.