Home / 14,015.32-19,341.04-7,727.69

Finding the Fourth Proportional to 14,015.32, 19,341.04 and 7,727.69

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Solution

The fourth proportional to 14,015.32, 19,341.04 and 7,727.69 is: 10,664.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.32 : 19,341.04 = 7,727.69 : x
  2. Step 2: Convert to fraction form
    14,015.32/19,341.04 = 7,727.69/x
  3. Step 3: Cross multiply
    14,015.32x = 19,341.04 × 7,727.69
  4. Step 4: Simplify right side
    14,015.32x = 149,461,561.40
  5. Step 5: Solve for x
    x = 149,461,561.40/14,015.32
  6. Step 6: Final answer
    x = 10,664.16

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.