Home / 15,545.81-21,452.08-9,575.30

Finding the Fourth Proportional to 15,545.81, 21,452.08 and 9,575.30

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Solution

The fourth proportional to 15,545.81, 21,452.08 and 9,575.30 is: 13,213.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,545.81 : 21,452.08 = 9,575.30 : x
  2. Step 2: Convert to fraction form
    15,545.81/21,452.08 = 9,575.30/x
  3. Step 3: Cross multiply
    15,545.81x = 21,452.08 × 9,575.30
  4. Step 4: Simplify right side
    15,545.81x = 205,410,101.62
  5. Step 5: Solve for x
    x = 205,410,101.62/15,545.81
  6. Step 6: Final answer
    x = 13,213.21

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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.