Home / 15,847.40-23,771.10-13,658.60

Finding the Fourth Proportional to 15,847.40, 23,771.10 and 13,658.60

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Solution

The fourth proportional to 15,847.40, 23,771.10 and 13,658.60 is: 20,487.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,847.40 : 23,771.10 = 13,658.60 : x
  2. Step 2: Convert to fraction form
    15,847.40/23,771.10 = 13,658.60/x
  3. Step 3: Cross multiply
    15,847.40x = 23,771.10 × 13,658.60
  4. Step 4: Simplify right side
    15,847.40x = 324,679,946.46
  5. Step 5: Solve for x
    x = 324,679,946.46/15,847.40
  6. Step 6: Final answer
    x = 20,487.90

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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.