Home / 12,348.28-18,532.90-4,957.74

Finding the Fourth Proportional to 12,348.28, 18,532.90 and 4,957.74

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Solution

The fourth proportional to 12,348.28, 18,532.90 and 4,957.74 is: 7,440.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348.28 : 18,532.90 = 4,957.74 : x
  2. Step 2: Convert to fraction form
    12,348.28/18,532.90 = 4,957.74/x
  3. Step 3: Cross multiply
    12,348.28x = 18,532.90 × 4,957.74
  4. Step 4: Simplify right side
    12,348.28x = 91,881,305.84
  5. Step 5: Solve for x
    x = 91,881,305.84/12,348.28
  6. Step 6: Final answer
    x = 7,440.82

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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.