Home / 8,165.04-12,184.92-7,290.24

Finding the Fourth Proportional to 8,165.04, 12,184.92 and 7,290.24

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Solution

The fourth proportional to 8,165.04, 12,184.92 and 7,290.24 is: 10,879.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165.04 : 12,184.92 = 7,290.24 : x
  2. Step 2: Convert to fraction form
    8,165.04/12,184.92 = 7,290.24/x
  3. Step 3: Cross multiply
    8,165.04x = 12,184.92 × 7,290.24
  4. Step 4: Simplify right side
    8,165.04x = 88,830,991.18
  5. Step 5: Solve for x
    x = 88,830,991.18/8,165.04
  6. Step 6: Final answer
    x = 10,879.43

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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.