Home / 12,343.28-18,522.20-4,557.52

Finding the Fourth Proportional to 12,343.28, 18,522.20 and 4,557.52

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Solution

The fourth proportional to 12,343.28, 18,522.20 and 4,557.52 is: 6,838.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343.28 : 18,522.20 = 4,557.52 : x
  2. Step 2: Convert to fraction form
    12,343.28/18,522.20 = 4,557.52/x
  3. Step 3: Cross multiply
    12,343.28x = 18,522.20 × 4,557.52
  4. Step 4: Simplify right side
    12,343.28x = 84,415,296.94
  5. Step 5: Solve for x
    x = 84,415,296.94/12,343.28
  6. Step 6: Final answer
    x = 6,838.97

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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.