Home / 9,722.20-14,583.30-9,146.20

Finding the Fourth Proportional to 9,722.20, 14,583.30 and 9,146.20

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Solution

The fourth proportional to 9,722.20, 14,583.30 and 9,146.20 is: 13,719.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,722.20 : 14,583.30 = 9,146.20 : x
  2. Step 2: Convert to fraction form
    9,722.20/14,583.30 = 9,146.20/x
  3. Step 3: Cross multiply
    9,722.20x = 14,583.30 × 9,146.20
  4. Step 4: Simplify right side
    9,722.20x = 133,381,778.46
  5. Step 5: Solve for x
    x = 133,381,778.46/9,722.20
  6. Step 6: Final answer
    x = 13,719.30

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Double scale
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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.