Home / 9,108.18-13,663.08-3,561.93

Finding the Fourth Proportional to 9,108.18, 13,663.08 and 3,561.93

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Solution

The fourth proportional to 9,108.18, 13,663.08 and 3,561.93 is: 5,343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.18 : 13,663.08 = 3,561.93 : x
  2. Step 2: Convert to fraction form
    9,108.18/13,663.08 = 3,561.93/x
  3. Step 3: Cross multiply
    9,108.18x = 13,663.08 × 3,561.93
  4. Step 4: Simplify right side
    9,108.18x = 48,666,934.54
  5. Step 5: Solve for x
    x = 48,666,934.54/9,108.18
  6. Step 6: Final answer
    x = 5,343.21

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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.