Home / 19,862.60-27,401.70-12,306.92

Finding the Fourth Proportional to 19,862.60, 27,401.70 and 12,306.92

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Solution

The fourth proportional to 19,862.60, 27,401.70 and 12,306.92 is: 16,978.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,862.60 : 27,401.70 = 12,306.92 : x
  2. Step 2: Convert to fraction form
    19,862.60/27,401.70 = 12,306.92/x
  3. Step 3: Cross multiply
    19,862.60x = 27,401.70 × 12,306.92
  4. Step 4: Simplify right side
    19,862.60x = 337,230,529.76
  5. Step 5: Solve for x
    x = 337,230,529.76/19,862.60
  6. Step 6: Final answer
    x = 16,978.17

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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.