Home / 10,376.40-15,561.60-4,531.68

Finding the Fourth Proportional to 10,376.40, 15,561.60 and 4,531.68

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Solution

The fourth proportional to 10,376.40, 15,561.60 and 4,531.68 is: 6,796.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376.40 : 15,561.60 = 4,531.68 : x
  2. Step 2: Convert to fraction form
    10,376.40/15,561.60 = 4,531.68/x
  3. Step 3: Cross multiply
    10,376.40x = 15,561.60 × 4,531.68
  4. Step 4: Simplify right side
    10,376.40x = 70,520,191.49
  5. Step 5: Solve for x
    x = 70,520,191.49/10,376.40
  6. Step 6: Final answer
    x = 6,796.21

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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.