Home / 11,655.85-17,446.64-9,289.18

Finding the Fourth Proportional to 11,655.85, 17,446.64 and 9,289.18

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Solution

The fourth proportional to 11,655.85, 17,446.64 and 9,289.18 is: 13,904.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,655.85 : 17,446.64 = 9,289.18 : x
  2. Step 2: Convert to fraction form
    11,655.85/17,446.64 = 9,289.18/x
  3. Step 3: Cross multiply
    11,655.85x = 17,446.64 × 9,289.18
  4. Step 4: Simplify right side
    11,655.85x = 162,065,006.97
  5. Step 5: Solve for x
    x = 162,065,006.97/11,655.85
  6. Step 6: Final answer
    x = 13,904.18

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1.5x scale

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.