Home / 9,405.32-14,091.57-9,175.68

Finding the Fourth Proportional to 9,405.32, 14,091.57 and 9,175.68

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Solution

The fourth proportional to 9,405.32, 14,091.57 and 9,175.68 is: 13,747.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,405.32 : 14,091.57 = 9,175.68 : x
  2. Step 2: Convert to fraction form
    9,405.32/14,091.57 = 9,175.68/x
  3. Step 3: Cross multiply
    9,405.32x = 14,091.57 × 9,175.68
  4. Step 4: Simplify right side
    9,405.32x = 129,299,737.02
  5. Step 5: Solve for x
    x = 129,299,737.02/9,405.32
  6. Step 6: Final answer
    x = 13,747.52

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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.