Home / 15,553.40-23,330.10-13,706.60

Finding the Fourth Proportional to 15,553.40, 23,330.10 and 13,706.60

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Solution

The fourth proportional to 15,553.40, 23,330.10 and 13,706.60 is: 20,559.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553.40 : 23,330.10 = 13,706.60 : x
  2. Step 2: Convert to fraction form
    15,553.40/23,330.10 = 13,706.60/x
  3. Step 3: Cross multiply
    15,553.40x = 23,330.10 × 13,706.60
  4. Step 4: Simplify right side
    15,553.40x = 319,776,348.66
  5. Step 5: Solve for x
    x = 319,776,348.66/15,553.40
  6. Step 6: Final answer
    x = 20,559.90

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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.