Home / 10,193.15-14,065.57-5,715.88

Finding the Fourth Proportional to 10,193.15, 14,065.57 and 5,715.88

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Solution

The fourth proportional to 10,193.15, 14,065.57 and 5,715.88 is: 7,887.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,193.15 : 14,065.57 = 5,715.88 : x
  2. Step 2: Convert to fraction form
    10,193.15/14,065.57 = 5,715.88/x
  3. Step 3: Cross multiply
    10,193.15x = 14,065.57 × 5,715.88
  4. Step 4: Simplify right side
    10,193.15x = 80,397,110.25
  5. Step 5: Solve for x
    x = 80,397,110.25/10,193.15
  6. Step 6: Final answer
    x = 7,887.37

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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.