Home / 15,772.60-23,658.90-13,180.60

Finding the Fourth Proportional to 15,772.60, 23,658.90 and 13,180.60

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Solution

The fourth proportional to 15,772.60, 23,658.90 and 13,180.60 is: 19,770.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,772.60 : 23,658.90 = 13,180.60 : x
  2. Step 2: Convert to fraction form
    15,772.60/23,658.90 = 13,180.60/x
  3. Step 3: Cross multiply
    15,772.60x = 23,658.90 × 13,180.60
  4. Step 4: Simplify right side
    15,772.60x = 311,838,497.34
  5. Step 5: Solve for x
    x = 311,838,497.34/15,772.60
  6. Step 6: Final answer
    x = 19,770.90

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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.