Home / 10,232.80-15,381.60-9,455.20

Finding the Fourth Proportional to 10,232.80, 15,381.60 and 9,455.20

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Solution

The fourth proportional to 10,232.80, 15,381.60 and 9,455.20 is: 14,212.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,232.80 : 15,381.60 = 9,455.20 : x
  2. Step 2: Convert to fraction form
    10,232.80/15,381.60 = 9,455.20/x
  3. Step 3: Cross multiply
    10,232.80x = 15,381.60 × 9,455.20
  4. Step 4: Simplify right side
    10,232.80x = 145,436,104.32
  5. Step 5: Solve for x
    x = 145,436,104.32/10,232.80
  6. Step 6: Final answer
    x = 14,212.74

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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.