Home / 15,979.85-22,037.87-10,012.17

Finding the Fourth Proportional to 15,979.85, 22,037.87 and 10,012.17

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Solution

The fourth proportional to 15,979.85, 22,037.87 and 10,012.17 is: 13,807.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,979.85 : 22,037.87 = 10,012.17 : x
  2. Step 2: Convert to fraction form
    15,979.85/22,037.87 = 10,012.17/x
  3. Step 3: Cross multiply
    15,979.85x = 22,037.87 × 10,012.17
  4. Step 4: Simplify right side
    15,979.85x = 220,646,850.82
  5. Step 5: Solve for x
    x = 220,646,850.82/15,979.85
  6. Step 6: Final answer
    x = 13,807.82

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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.