Home / 14,610.38-20,154.02-8,641.08

Finding the Fourth Proportional to 14,610.38, 20,154.02 and 8,641.08

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Solution

The fourth proportional to 14,610.38, 20,154.02 and 8,641.08 is: 11,919.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610.38 : 20,154.02 = 8,641.08 : x
  2. Step 2: Convert to fraction form
    14,610.38/20,154.02 = 8,641.08/x
  3. Step 3: Cross multiply
    14,610.38x = 20,154.02 × 8,641.08
  4. Step 4: Simplify right side
    14,610.38x = 174,152,455.94
  5. Step 5: Solve for x
    x = 174,152,455.94/14,610.38
  6. Step 6: Final answer
    x = 11,919.78

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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.