Home / 9,505.68-13,117.86-5,257.05

Finding the Fourth Proportional to 9,505.68, 13,117.86 and 5,257.05

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Solution

The fourth proportional to 9,505.68, 13,117.86 and 5,257.05 is: 7,254.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,505.68 : 13,117.86 = 5,257.05 : x
  2. Step 2: Convert to fraction form
    9,505.68/13,117.86 = 5,257.05/x
  3. Step 3: Cross multiply
    9,505.68x = 13,117.86 × 5,257.05
  4. Step 4: Simplify right side
    9,505.68x = 68,961,245.91
  5. Step 5: Solve for x
    x = 68,961,245.91/9,505.68
  6. Step 6: Final answer
    x = 7,254.74

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.