Home / 15,901.92-21,941.24-10,799.20

Finding the Fourth Proportional to 15,901.92, 21,941.24 and 10,799.20

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Solution

The fourth proportional to 15,901.92, 21,941.24 and 10,799.20 is: 14,900.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,901.92 : 21,941.24 = 10,799.20 : x
  2. Step 2: Convert to fraction form
    15,901.92/21,941.24 = 10,799.20/x
  3. Step 3: Cross multiply
    15,901.92x = 21,941.24 × 10,799.20
  4. Step 4: Simplify right side
    15,901.92x = 236,947,839.01
  5. Step 5: Solve for x
    x = 236,947,839.01/15,901.92
  6. Step 6: Final answer
    x = 14,900.58

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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.