Home / 15,459.39-23,189.11-3,772.55

Finding the Fourth Proportional to 15,459.39, 23,189.11 and 3,772.55

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Solution

The fourth proportional to 15,459.39, 23,189.11 and 3,772.55 is: 5,658.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,459.39 : 23,189.11 = 3,772.55 : x
  2. Step 2: Convert to fraction form
    15,459.39/23,189.11 = 3,772.55/x
  3. Step 3: Cross multiply
    15,459.39x = 23,189.11 × 3,772.55
  4. Step 4: Simplify right side
    15,459.39x = 87,482,058.07
  5. Step 5: Solve for x
    x = 87,482,058.07/15,459.39
  6. Step 6: Final answer
    x = 5,658.83

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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.