Home / 8,433.04-12,623.64-7,188.88

Finding the Fourth Proportional to 8,433.04, 12,623.64 and 7,188.88

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Solution

The fourth proportional to 8,433.04, 12,623.64 and 7,188.88 is: 10,761.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.04 : 12,623.64 = 7,188.88 : x
  2. Step 2: Convert to fraction form
    8,433.04/12,623.64 = 7,188.88/x
  3. Step 3: Cross multiply
    8,433.04x = 12,623.64 × 7,188.88
  4. Step 4: Simplify right side
    8,433.04x = 90,749,833.12
  5. Step 5: Solve for x
    x = 90,749,833.12/8,433.04
  6. Step 6: Final answer
    x = 10,761.22

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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.