Home / 17,555.67-26,330.92-6,459.78

Finding the Fourth Proportional to 17,555.67, 26,330.92 and 6,459.78

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Solution

The fourth proportional to 17,555.67, 26,330.92 and 6,459.78 is: 9,688.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,555.67 : 26,330.92 = 6,459.78 : x
  2. Step 2: Convert to fraction form
    17,555.67/26,330.92 = 6,459.78/x
  3. Step 3: Cross multiply
    17,555.67x = 26,330.92 × 6,459.78
  4. Step 4: Simplify right side
    17,555.67x = 170,091,918.10
  5. Step 5: Solve for x
    x = 170,091,918.10/17,555.67
  6. Step 6: Final answer
    x = 9,688.72

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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.