Home / 22,599.34-31,186.91-12,390.25

Finding the Fourth Proportional to 22,599.34, 31,186.91 and 12,390.25

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Solution

The fourth proportional to 22,599.34, 31,186.91 and 12,390.25 is: 17,098.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,599.34 : 31,186.91 = 12,390.25 : x
  2. Step 2: Convert to fraction form
    22,599.34/31,186.91 = 12,390.25/x
  3. Step 3: Cross multiply
    22,599.34x = 31,186.91 × 12,390.25
  4. Step 4: Simplify right side
    22,599.34x = 386,413,520.18
  5. Step 5: Solve for x
    x = 386,413,520.18/22,599.34
  6. Step 6: Final answer
    x = 17,098.44

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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.