Home / 8,918.16-13,382.94-6,284.04

Finding the Fourth Proportional to 8,918.16, 13,382.94 and 6,284.04

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Solution

The fourth proportional to 8,918.16, 13,382.94 and 6,284.04 is: 9,430.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,918.16 : 13,382.94 = 6,284.04 : x
  2. Step 2: Convert to fraction form
    8,918.16/13,382.94 = 6,284.04/x
  3. Step 3: Cross multiply
    8,918.16x = 13,382.94 × 6,284.04
  4. Step 4: Simplify right side
    8,918.16x = 84,098,930.28
  5. Step 5: Solve for x
    x = 84,098,930.28/8,918.16
  6. Step 6: Final answer
    x = 9,430.08

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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.