Home / 22,468.88-31,005.66-12,397.40

Finding the Fourth Proportional to 22,468.88, 31,005.66 and 12,397.40

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Solution

The fourth proportional to 22,468.88, 31,005.66 and 12,397.40 is: 17,107.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,468.88 : 31,005.66 = 12,397.40 : x
  2. Step 2: Convert to fraction form
    22,468.88/31,005.66 = 12,397.40/x
  3. Step 3: Cross multiply
    22,468.88x = 31,005.66 × 12,397.40
  4. Step 4: Simplify right side
    22,468.88x = 384,389,569.28
  5. Step 5: Solve for x
    x = 384,389,569.28/22,468.88
  6. Step 6: Final answer
    x = 17,107.64

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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.