Home / 15,217.92-22,830.36-6,453.12

Finding the Fourth Proportional to 15,217.92, 22,830.36 and 6,453.12

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Solution

The fourth proportional to 15,217.92, 22,830.36 and 6,453.12 is: 9,681.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,217.92 : 22,830.36 = 6,453.12 : x
  2. Step 2: Convert to fraction form
    15,217.92/22,830.36 = 6,453.12/x
  3. Step 3: Cross multiply
    15,217.92x = 22,830.36 × 6,453.12
  4. Step 4: Simplify right side
    15,217.92x = 147,327,052.72
  5. Step 5: Solve for x
    x = 147,327,052.72/15,217.92
  6. Step 6: Final answer
    x = 9,681.16

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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.