Home / 9,039.43-13,563.14-3,117.22

Finding the Fourth Proportional to 9,039.43, 13,563.14 and 3,117.22

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Solution

The fourth proportional to 9,039.43, 13,563.14 and 3,117.22 is: 4,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.43 : 13,563.14 = 3,117.22 : x
  2. Step 2: Convert to fraction form
    9,039.43/13,563.14 = 3,117.22/x
  3. Step 3: Cross multiply
    9,039.43x = 13,563.14 × 3,117.22
  4. Step 4: Simplify right side
    9,039.43x = 42,279,207.87
  5. Step 5: Solve for x
    x = 42,279,207.87/9,039.43
  6. Step 6: Final answer
    x = 4,677.20

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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.