Home / 10,193.04-14,065.92-5,715.90

Finding the Fourth Proportional to 10,193.04, 14,065.92 and 5,715.90

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Solution

The fourth proportional to 10,193.04, 14,065.92 and 5,715.90 is: 7,887.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,193.04 : 14,065.92 = 5,715.90 : x
  2. Step 2: Convert to fraction form
    10,193.04/14,065.92 = 5,715.90/x
  3. Step 3: Cross multiply
    10,193.04x = 14,065.92 × 5,715.90
  4. Step 4: Simplify right side
    10,193.04x = 80,399,392.13
  5. Step 5: Solve for x
    x = 80,399,392.13/10,193.04
  6. Step 6: Final answer
    x = 7,887.68

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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.