Home / 8,389.97-12,557.58-6,168.22

Finding the Fourth Proportional to 8,389.97, 12,557.58 and 6,168.22

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Solution

The fourth proportional to 8,389.97, 12,557.58 and 6,168.22 is: 9,232.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.97 : 12,557.58 = 6,168.22 : x
  2. Step 2: Convert to fraction form
    8,389.97/12,557.58 = 6,168.22/x
  3. Step 3: Cross multiply
    8,389.97x = 12,557.58 × 6,168.22
  4. Step 4: Simplify right side
    8,389.97x = 77,457,884.71
  5. Step 5: Solve for x
    x = 77,457,884.71/8,389.97
  6. Step 6: Final answer
    x = 9,232.20

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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.