Home / 10,417.67-15,619.55-5,739.87

Finding the Fourth Proportional to 10,417.67, 15,619.55 and 5,739.87

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Solution

The fourth proportional to 10,417.67, 15,619.55 and 5,739.87 is: 8,605.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,417.67 : 15,619.55 = 5,739.87 : x
  2. Step 2: Convert to fraction form
    10,417.67/15,619.55 = 5,739.87/x
  3. Step 3: Cross multiply
    10,417.67x = 15,619.55 × 5,739.87
  4. Step 4: Simplify right side
    10,417.67x = 89,654,186.46
  5. Step 5: Solve for x
    x = 89,654,186.46/10,417.67
  6. Step 6: Final answer
    x = 8,605.98

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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.