Home / 10,253.16-15,374.88-5,317.86

Finding the Fourth Proportional to 10,253.16, 15,374.88 and 5,317.86

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Solution

The fourth proportional to 10,253.16, 15,374.88 and 5,317.86 is: 7,974.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253.16 : 15,374.88 = 5,317.86 : x
  2. Step 2: Convert to fraction form
    10,253.16/15,374.88 = 5,317.86/x
  3. Step 3: Cross multiply
    10,253.16x = 15,374.88 × 5,317.86
  4. Step 4: Simplify right side
    10,253.16x = 81,761,459.36
  5. Step 5: Solve for x
    x = 81,761,459.36/10,253.16
  6. Step 6: Final answer
    x = 7,974.27

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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.