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Finding the Fourth Proportional to 8,340.04, 12,429.77 and 8,327.08

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Solution

The fourth proportional to 8,340.04, 12,429.77 and 8,327.08 is: 12,410.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.04 : 12,429.77 = 8,327.08 : x
  2. Step 2: Convert to fraction form
    8,340.04/12,429.77 = 8,327.08/x
  3. Step 3: Cross multiply
    8,340.04x = 12,429.77 × 8,327.08
  4. Step 4: Simplify right side
    8,340.04x = 103,503,689.17
  5. Step 5: Solve for x
    x = 103,503,689.17/8,340.04
  6. Step 6: Final answer
    x = 12,410.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.