Home / 19,637.10-29,456.58-6,489.18

Finding the Fourth Proportional to 19,637.10, 29,456.58 and 6,489.18

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Solution

The fourth proportional to 19,637.10, 29,456.58 and 6,489.18 is: 9,734.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637.10 : 29,456.58 = 6,489.18 : x
  2. Step 2: Convert to fraction form
    19,637.10/29,456.58 = 6,489.18/x
  3. Step 3: Cross multiply
    19,637.10x = 29,456.58 × 6,489.18
  4. Step 4: Simplify right side
    19,637.10x = 191,149,049.80
  5. Step 5: Solve for x
    x = 191,149,049.80/19,637.10
  6. Step 6: Final answer
    x = 9,734.08

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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.