Home / 15,771.20-23,656.80-7,451.44

Finding the Fourth Proportional to 15,771.20, 23,656.80 and 7,451.44

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Solution

The fourth proportional to 15,771.20, 23,656.80 and 7,451.44 is: 11,177.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,771.20 : 23,656.80 = 7,451.44 : x
  2. Step 2: Convert to fraction form
    15,771.20/23,656.80 = 7,451.44/x
  3. Step 3: Cross multiply
    15,771.20x = 23,656.80 × 7,451.44
  4. Step 4: Simplify right side
    15,771.20x = 176,277,225.79
  5. Step 5: Solve for x
    x = 176,277,225.79/15,771.20
  6. Step 6: Final answer
    x = 11,177.16

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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.