Home / 15,520.70-23,281.05-9,282.53

Finding the Fourth Proportional to 15,520.70, 23,281.05 and 9,282.53

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Solution

The fourth proportional to 15,520.70, 23,281.05 and 9,282.53 is: 13,923.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520.70 : 23,281.05 = 9,282.53 : x
  2. Step 2: Convert to fraction form
    15,520.70/23,281.05 = 9,282.53/x
  3. Step 3: Cross multiply
    15,520.70x = 23,281.05 × 9,282.53
  4. Step 4: Simplify right side
    15,520.70x = 216,106,928.65
  5. Step 5: Solve for x
    x = 216,106,928.65/15,520.70
  6. Step 6: Final answer
    x = 13,923.79

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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.