Home / 9,009.48-12,426.80-8,265.90

Finding the Fourth Proportional to 9,009.48, 12,426.80 and 8,265.90

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Solution

The fourth proportional to 9,009.48, 12,426.80 and 8,265.90 is: 11,401.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,009.48 : 12,426.80 = 8,265.90 : x
  2. Step 2: Convert to fraction form
    9,009.48/12,426.80 = 8,265.90/x
  3. Step 3: Cross multiply
    9,009.48x = 12,426.80 × 8,265.90
  4. Step 4: Simplify right side
    9,009.48x = 102,718,686.12
  5. Step 5: Solve for x
    x = 102,718,686.12/9,009.48
  6. Step 6: Final answer
    x = 11,401.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.