Home / 18,892.20-26,074.50-10,938.81

Finding the Fourth Proportional to 18,892.20, 26,074.50 and 10,938.81

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Solution

The fourth proportional to 18,892.20, 26,074.50 and 10,938.81 is: 15,097.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,892.20 : 26,074.50 = 10,938.81 : x
  2. Step 2: Convert to fraction form
    18,892.20/26,074.50 = 10,938.81/x
  3. Step 3: Cross multiply
    18,892.20x = 26,074.50 × 10,938.81
  4. Step 4: Simplify right side
    18,892.20x = 285,224,001.35
  5. Step 5: Solve for x
    x = 285,224,001.35/18,892.20
  6. Step 6: Final answer
    x = 15,097.45

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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.