Home / 9,724.20-14,586.30-9,148.20

Finding the Fourth Proportional to 9,724.20, 14,586.30 and 9,148.20

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Solution

The fourth proportional to 9,724.20, 14,586.30 and 9,148.20 is: 13,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,724.20 : 14,586.30 = 9,148.20 : x
  2. Step 2: Convert to fraction form
    9,724.20/14,586.30 = 9,148.20/x
  3. Step 3: Cross multiply
    9,724.20x = 14,586.30 × 9,148.20
  4. Step 4: Simplify right side
    9,724.20x = 133,438,389.66
  5. Step 5: Solve for x
    x = 133,438,389.66/9,724.20
  6. Step 6: Final answer
    x = 13,722.30

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Similar ratio
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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.