Home / 11,569.91-17,327.19-10,988.65

Finding the Fourth Proportional to 11,569.91, 17,327.19 and 10,988.65

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Solution

The fourth proportional to 11,569.91, 17,327.19 and 10,988.65 is: 16,456.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,569.91 : 17,327.19 = 10,988.65 : x
  2. Step 2: Convert to fraction form
    11,569.91/17,327.19 = 10,988.65/x
  3. Step 3: Cross multiply
    11,569.91x = 17,327.19 × 10,988.65
  4. Step 4: Simplify right side
    11,569.91x = 190,402,433.99
  5. Step 5: Solve for x
    x = 190,402,433.99/11,569.91
  6. Step 6: Final answer
    x = 16,456.69

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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.