Home / 22,281.16-30,746.82-12,207.64

Finding the Fourth Proportional to 22,281.16, 30,746.82 and 12,207.64

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Solution

The fourth proportional to 22,281.16, 30,746.82 and 12,207.64 is: 16,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,281.16 : 30,746.82 = 12,207.64 : x
  2. Step 2: Convert to fraction form
    22,281.16/30,746.82 = 12,207.64/x
  3. Step 3: Cross multiply
    22,281.16x = 30,746.82 × 12,207.64
  4. Step 4: Simplify right side
    22,281.16x = 375,346,109.70
  5. Step 5: Solve for x
    x = 375,346,109.70/22,281.16
  6. Step 6: Final answer
    x = 16,845.90

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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.