Home / 18,860.23-28,290.96-9,000.51

Finding the Fourth Proportional to 18,860.23, 28,290.96 and 9,000.51

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Solution

The fourth proportional to 18,860.23, 28,290.96 and 9,000.51 is: 13,501.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,860.23 : 28,290.96 = 9,000.51 : x
  2. Step 2: Convert to fraction form
    18,860.23/28,290.96 = 9,000.51/x
  3. Step 3: Cross multiply
    18,860.23x = 28,290.96 × 9,000.51
  4. Step 4: Simplify right side
    18,860.23x = 254,633,068.39
  5. Step 5: Solve for x
    x = 254,633,068.39/18,860.23
  6. Step 6: Final answer
    x = 13,501.06

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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.