Home / 22,280.39-30,746.91-12,209.46

Finding the Fourth Proportional to 22,280.39, 30,746.91 and 12,209.46

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Solution

The fourth proportional to 22,280.39, 30,746.91 and 12,209.46 is: 16,849.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,280.39 : 30,746.91 = 12,209.46 : x
  2. Step 2: Convert to fraction form
    22,280.39/30,746.91 = 12,209.46/x
  3. Step 3: Cross multiply
    22,280.39x = 30,746.91 × 12,209.46
  4. Step 4: Simplify right side
    22,280.39x = 375,403,167.77
  5. Step 5: Solve for x
    x = 375,403,167.77/22,280.39
  6. Step 6: Final answer
    x = 16,849.04

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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.