Home / 15,614.13-21,546.95-8,901.92

Finding the Fourth Proportional to 15,614.13, 21,546.95 and 8,901.92

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Solution

The fourth proportional to 15,614.13, 21,546.95 and 8,901.92 is: 12,284.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,614.13 : 21,546.95 = 8,901.92 : x
  2. Step 2: Convert to fraction form
    15,614.13/21,546.95 = 8,901.92/x
  3. Step 3: Cross multiply
    15,614.13x = 21,546.95 × 8,901.92
  4. Step 4: Simplify right side
    15,614.13x = 191,809,106.28
  5. Step 5: Solve for x
    x = 191,809,106.28/15,614.13
  6. Step 6: Final answer
    x = 12,284.33

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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.