Home / 10,265.32-15,325.07-9,900.82

Finding the Fourth Proportional to 10,265.32, 15,325.07 and 9,900.82

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Solution

The fourth proportional to 10,265.32, 15,325.07 and 9,900.82 is: 14,780.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,265.32 : 15,325.07 = 9,900.82 : x
  2. Step 2: Convert to fraction form
    10,265.32/15,325.07 = 9,900.82/x
  3. Step 3: Cross multiply
    10,265.32x = 15,325.07 × 9,900.82
  4. Step 4: Simplify right side
    10,265.32x = 151,730,759.56
  5. Step 5: Solve for x
    x = 151,730,759.56/10,265.32
  6. Step 6: Final answer
    x = 14,780.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.