Home / 16,591.68-22,896.80-9,139.84

Finding the Fourth Proportional to 16,591.68, 22,896.80 and 9,139.84

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Solution

The fourth proportional to 16,591.68, 22,896.80 and 9,139.84 is: 12,613.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,591.68 : 22,896.80 = 9,139.84 : x
  2. Step 2: Convert to fraction form
    16,591.68/22,896.80 = 9,139.84/x
  3. Step 3: Cross multiply
    16,591.68x = 22,896.80 × 9,139.84
  4. Step 4: Simplify right side
    16,591.68x = 209,273,088.51
  5. Step 5: Solve for x
    x = 209,273,088.51/16,591.68
  6. Step 6: Final answer
    x = 12,613.13

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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.