Home / 10,330.35-15,501.60-3,757.20

Finding the Fourth Proportional to 10,330.35, 15,501.60 and 3,757.20

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Solution

The fourth proportional to 10,330.35, 15,501.60 and 3,757.20 is: 5,638.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.35 : 15,501.60 = 3,757.20 : x
  2. Step 2: Convert to fraction form
    10,330.35/15,501.60 = 3,757.20/x
  3. Step 3: Cross multiply
    10,330.35x = 15,501.60 × 3,757.20
  4. Step 4: Simplify right side
    10,330.35x = 58,242,611.52
  5. Step 5: Solve for x
    x = 58,242,611.52/10,330.35
  6. Step 6: Final answer
    x = 5,638.01

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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.