Home / 19,487.27-29,232.32-6,659.30

Finding the Fourth Proportional to 19,487.27, 29,232.32 and 6,659.30

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Solution

The fourth proportional to 19,487.27, 29,232.32 and 6,659.30 is: 9,989.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487.27 : 29,232.32 = 6,659.30 : x
  2. Step 2: Convert to fraction form
    19,487.27/29,232.32 = 6,659.30/x
  3. Step 3: Cross multiply
    19,487.27x = 29,232.32 × 6,659.30
  4. Step 4: Simplify right side
    19,487.27x = 194,666,609.12
  5. Step 5: Solve for x
    x = 194,666,609.12/19,487.27
  6. Step 6: Final answer
    x = 9,989.43

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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.