Home / 16,838.68-23,211.64-10,862.72

Finding the Fourth Proportional to 16,838.68, 23,211.64 and 10,862.72

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Solution

The fourth proportional to 16,838.68, 23,211.64 and 10,862.72 is: 14,973.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,838.68 : 23,211.64 = 10,862.72 : x
  2. Step 2: Convert to fraction form
    16,838.68/23,211.64 = 10,862.72/x
  3. Step 3: Cross multiply
    16,838.68x = 23,211.64 × 10,862.72
  4. Step 4: Simplify right side
    16,838.68x = 252,141,546.06
  5. Step 5: Solve for x
    x = 252,141,546.06/16,838.68
  6. Step 6: Final answer
    x = 14,973.95

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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.