Home / 10,923.17-16,385.61-3,904.70

Finding the Fourth Proportional to 10,923.17, 16,385.61 and 3,904.70

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Solution

The fourth proportional to 10,923.17, 16,385.61 and 3,904.70 is: 5,857.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,923.17 : 16,385.61 = 3,904.70 : x
  2. Step 2: Convert to fraction form
    10,923.17/16,385.61 = 3,904.70/x
  3. Step 3: Cross multiply
    10,923.17x = 16,385.61 × 3,904.70
  4. Step 4: Simplify right side
    10,923.17x = 63,980,891.37
  5. Step 5: Solve for x
    x = 63,980,891.37/10,923.17
  6. Step 6: Final answer
    x = 5,857.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.