Home / 20,437.08-30,655.01-5,646.89

Finding the Fourth Proportional to 20,437.08, 30,655.01 and 5,646.89

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Solution

The fourth proportional to 20,437.08, 30,655.01 and 5,646.89 is: 8,470.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,437.08 : 30,655.01 = 5,646.89 : x
  2. Step 2: Convert to fraction form
    20,437.08/30,655.01 = 5,646.89/x
  3. Step 3: Cross multiply
    20,437.08x = 30,655.01 × 5,646.89
  4. Step 4: Simplify right side
    20,437.08x = 173,105,287.91
  5. Step 5: Solve for x
    x = 173,105,287.91/20,437.08
  6. Step 6: Final answer
    x = 8,470.16

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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.