Home / 10,538.72-15,800.39-6,090.11

Finding the Fourth Proportional to 10,538.72, 15,800.39 and 6,090.11

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Solution

The fourth proportional to 10,538.72, 15,800.39 and 6,090.11 is: 9,130.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,538.72 : 15,800.39 = 6,090.11 : x
  2. Step 2: Convert to fraction form
    10,538.72/15,800.39 = 6,090.11/x
  3. Step 3: Cross multiply
    10,538.72x = 15,800.39 × 6,090.11
  4. Step 4: Simplify right side
    10,538.72x = 96,226,147.35
  5. Step 5: Solve for x
    x = 96,226,147.35/10,538.72
  6. Step 6: Final answer
    x = 9,130.72

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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.