Home / 22,320.60-30,802.76-12,248.87

Finding the Fourth Proportional to 22,320.60, 30,802.76 and 12,248.87

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Solution

The fourth proportional to 22,320.60, 30,802.76 and 12,248.87 is: 16,903.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,320.60 : 30,802.76 = 12,248.87 : x
  2. Step 2: Convert to fraction form
    22,320.60/30,802.76 = 12,248.87/x
  3. Step 3: Cross multiply
    22,320.60x = 30,802.76 × 12,248.87
  4. Step 4: Simplify right side
    22,320.60x = 377,298,787.62
  5. Step 5: Solve for x
    x = 377,298,787.62/22,320.60
  6. Step 6: Final answer
    x = 16,903.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.