Home / 15,321.40-22,982.10-6,557.20

Finding the Fourth Proportional to 15,321.40, 22,982.10 and 6,557.20

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Solution

The fourth proportional to 15,321.40, 22,982.10 and 6,557.20 is: 9,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,321.40 : 22,982.10 = 6,557.20 : x
  2. Step 2: Convert to fraction form
    15,321.40/22,982.10 = 6,557.20/x
  3. Step 3: Cross multiply
    15,321.40x = 22,982.10 × 6,557.20
  4. Step 4: Simplify right side
    15,321.40x = 150,698,226.12
  5. Step 5: Solve for x
    x = 150,698,226.12/15,321.40
  6. Step 6: Final answer
    x = 9,835.80

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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.