Home / 9,451.40-13,042.68-5,259.56

Finding the Fourth Proportional to 9,451.40, 13,042.68 and 5,259.56

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Solution

The fourth proportional to 9,451.40, 13,042.68 and 5,259.56 is: 7,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,451.40 : 13,042.68 = 5,259.56 : x
  2. Step 2: Convert to fraction form
    9,451.40/13,042.68 = 5,259.56/x
  3. Step 3: Cross multiply
    9,451.40x = 13,042.68 × 5,259.56
  4. Step 4: Simplify right side
    9,451.40x = 68,598,758.02
  5. Step 5: Solve for x
    x = 68,598,758.02/9,451.40
  6. Step 6: Final answer
    x = 7,258.05

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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.