Home / 10,192.98-14,065.49-5,716.11

Finding the Fourth Proportional to 10,192.98, 14,065.49 and 5,716.11

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Solution

The fourth proportional to 10,192.98, 14,065.49 and 5,716.11 is: 7,887.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,192.98 : 14,065.49 = 5,716.11 : x
  2. Step 2: Convert to fraction form
    10,192.98/14,065.49 = 5,716.11/x
  3. Step 3: Cross multiply
    10,192.98x = 14,065.49 × 5,716.11
  4. Step 4: Simplify right side
    10,192.98x = 80,399,859.46
  5. Step 5: Solve for x
    x = 80,399,859.46/10,192.98
  6. Step 6: Final answer
    x = 7,887.77

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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.