Home / 18,884.64-28,331.10-9,010.35

Finding the Fourth Proportional to 18,884.64, 28,331.10 and 9,010.35

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Solution

The fourth proportional to 18,884.64, 28,331.10 and 9,010.35 is: 13,517.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,884.64 : 28,331.10 = 9,010.35 : x
  2. Step 2: Convert to fraction form
    18,884.64/28,331.10 = 9,010.35/x
  3. Step 3: Cross multiply
    18,884.64x = 28,331.10 × 9,010.35
  4. Step 4: Simplify right side
    18,884.64x = 255,273,126.89
  5. Step 5: Solve for x
    x = 255,273,126.89/18,884.64
  6. Step 6: Final answer
    x = 13,517.50

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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.