Home / 10,245.52-15,381.24-8,716.24

Finding the Fourth Proportional to 10,245.52, 15,381.24 and 8,716.24

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Solution

The fourth proportional to 10,245.52, 15,381.24 and 8,716.24 is: 13,085.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,245.52 : 15,381.24 = 8,716.24 : x
  2. Step 2: Convert to fraction form
    10,245.52/15,381.24 = 8,716.24/x
  3. Step 3: Cross multiply
    10,245.52x = 15,381.24 × 8,716.24
  4. Step 4: Simplify right side
    10,245.52x = 134,066,579.34
  5. Step 5: Solve for x
    x = 134,066,579.34/10,245.52
  6. Step 6: Final answer
    x = 13,085.39

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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.