Home / 11,167.17-15,412.59-6,454.19

Finding the Fourth Proportional to 11,167.17, 15,412.59 and 6,454.19

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Solution

The fourth proportional to 11,167.17, 15,412.59 and 6,454.19 is: 8,907.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.17 : 15,412.59 = 6,454.19 : x
  2. Step 2: Convert to fraction form
    11,167.17/15,412.59 = 6,454.19/x
  3. Step 3: Cross multiply
    11,167.17x = 15,412.59 × 6,454.19
  4. Step 4: Simplify right side
    11,167.17x = 99,475,707.19
  5. Step 5: Solve for x
    x = 99,475,707.19/11,167.17
  6. Step 6: Final answer
    x = 8,907.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.