Home / 15,770.34-21,766.22-9,060.57

Finding the Fourth Proportional to 15,770.34, 21,766.22 and 9,060.57

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Solution

The fourth proportional to 15,770.34, 21,766.22 and 9,060.57 is: 12,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,770.34 : 21,766.22 = 9,060.57 : x
  2. Step 2: Convert to fraction form
    15,770.34/21,766.22 = 9,060.57/x
  3. Step 3: Cross multiply
    15,770.34x = 21,766.22 × 9,060.57
  4. Step 4: Simplify right side
    15,770.34x = 197,214,359.95
  5. Step 5: Solve for x
    x = 197,214,359.95/15,770.34
  6. Step 6: Final answer
    x = 12,505.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.