Home / 14,913.97-20,560.09-11,862.34

Finding the Fourth Proportional to 14,913.97, 20,560.09 and 11,862.34

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Solution

The fourth proportional to 14,913.97, 20,560.09 and 11,862.34 is: 16,353.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,913.97 : 20,560.09 = 11,862.34 : x
  2. Step 2: Convert to fraction form
    14,913.97/20,560.09 = 11,862.34/x
  3. Step 3: Cross multiply
    14,913.97x = 20,560.09 × 11,862.34
  4. Step 4: Simplify right side
    14,913.97x = 243,890,696.95
  5. Step 5: Solve for x
    x = 243,890,696.95/14,913.97
  6. Step 6: Final answer
    x = 16,353.17

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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.