Home / 18,013.72-24,861.18-10,938.28

Finding the Fourth Proportional to 18,013.72, 24,861.18 and 10,938.28

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Solution

The fourth proportional to 18,013.72, 24,861.18 and 10,938.28 is: 15,096.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,013.72 : 24,861.18 = 10,938.28 : x
  2. Step 2: Convert to fraction form
    18,013.72/24,861.18 = 10,938.28/x
  3. Step 3: Cross multiply
    18,013.72x = 24,861.18 × 10,938.28
  4. Step 4: Simplify right side
    18,013.72x = 271,938,547.97
  5. Step 5: Solve for x
    x = 271,938,547.97/18,013.72
  6. Step 6: Final answer
    x = 15,096.19

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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.