Home / 10,247.24-15,391.35-9,910.96

Finding the Fourth Proportional to 10,247.24, 15,391.35 and 9,910.96

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Solution

The fourth proportional to 10,247.24, 15,391.35 and 9,910.96 is: 14,886.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247.24 : 15,391.35 = 9,910.96 : x
  2. Step 2: Convert to fraction form
    10,247.24/15,391.35 = 9,910.96/x
  3. Step 3: Cross multiply
    10,247.24x = 15,391.35 × 9,910.96
  4. Step 4: Simplify right side
    10,247.24x = 152,543,015.72
  5. Step 5: Solve for x
    x = 152,543,015.72/10,247.24
  6. Step 6: Final answer
    x = 14,886.25

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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.