Home / 15,780.40-23,670.60-14,818.12

Finding the Fourth Proportional to 15,780.40, 23,670.60 and 14,818.12

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Solution

The fourth proportional to 15,780.40, 23,670.60 and 14,818.12 is: 22,227.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,780.40 : 23,670.60 = 14,818.12 : x
  2. Step 2: Convert to fraction form
    15,780.40/23,670.60 = 14,818.12/x
  3. Step 3: Cross multiply
    15,780.40x = 23,670.60 × 14,818.12
  4. Step 4: Simplify right side
    15,780.40x = 350,753,791.27
  5. Step 5: Solve for x
    x = 350,753,791.27/15,780.40
  6. Step 6: Final answer
    x = 22,227.18

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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.