Home / 10,276.35-15,405.26-3,697.89

Finding the Fourth Proportional to 10,276.35, 15,405.26 and 3,697.89

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Solution

The fourth proportional to 10,276.35, 15,405.26 and 3,697.89 is: 5,543.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.35 : 15,405.26 = 3,697.89 : x
  2. Step 2: Convert to fraction form
    10,276.35/15,405.26 = 3,697.89/x
  3. Step 3: Cross multiply
    10,276.35x = 15,405.26 × 3,697.89
  4. Step 4: Simplify right side
    10,276.35x = 56,966,938.41
  5. Step 5: Solve for x
    x = 56,966,938.41/10,276.35
  6. Step 6: Final answer
    x = 5,543.50

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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.