Home / 10,344.40-15,522-9,786.76

Finding the Fourth Proportional to 10,344.40, 15,522 and 9,786.76

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Solution

The fourth proportional to 10,344.40, 15,522 and 9,786.76 is: 14,685.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,344.40 : 15,522 = 9,786.76 : x
  2. Step 2: Convert to fraction form
    10,344.40/15,522 = 9,786.76/x
  3. Step 3: Cross multiply
    10,344.40x = 15,522 × 9,786.76
  4. Step 4: Simplify right side
    10,344.40x = 151,910,088.72
  5. Step 5: Solve for x
    x = 151,910,088.72/10,344.40
  6. Step 6: Final answer
    x = 14,685.25

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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.