Home / 12,557.52-18,836.28-4,764.48

Finding the Fourth Proportional to 12,557.52, 18,836.28 and 4,764.48

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Solution

The fourth proportional to 12,557.52, 18,836.28 and 4,764.48 is: 7,146.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.52 : 18,836.28 = 4,764.48 : x
  2. Step 2: Convert to fraction form
    12,557.52/18,836.28 = 4,764.48/x
  3. Step 3: Cross multiply
    12,557.52x = 18,836.28 × 4,764.48
  4. Step 4: Simplify right side
    12,557.52x = 89,745,079.33
  5. Step 5: Solve for x
    x = 89,745,079.33/12,557.52
  6. Step 6: Final answer
    x = 7,146.72

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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.