Home / 12,562.02-18,917.28-10,938.06

Finding the Fourth Proportional to 12,562.02, 18,917.28 and 10,938.06

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Solution

The fourth proportional to 12,562.02, 18,917.28 and 10,938.06 is: 16,471.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562.02 : 18,917.28 = 10,938.06 : x
  2. Step 2: Convert to fraction form
    12,562.02/18,917.28 = 10,938.06/x
  3. Step 3: Cross multiply
    12,562.02x = 18,917.28 × 10,938.06
  4. Step 4: Simplify right side
    12,562.02x = 206,918,343.68
  5. Step 5: Solve for x
    x = 206,918,343.68/12,562.02
  6. Step 6: Final answer
    x = 16,471.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.