Home / 20,417.06-30,625.59-5,626.13

Finding the Fourth Proportional to 20,417.06, 30,625.59 and 5,626.13

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Solution

The fourth proportional to 20,417.06, 30,625.59 and 5,626.13 is: 8,439.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,417.06 : 30,625.59 = 5,626.13 : x
  2. Step 2: Convert to fraction form
    20,417.06/30,625.59 = 5,626.13/x
  3. Step 3: Cross multiply
    20,417.06x = 30,625.59 × 5,626.13
  4. Step 4: Simplify right side
    20,417.06x = 172,303,397.54
  5. Step 5: Solve for x
    x = 172,303,397.54/20,417.06
  6. Step 6: Final answer
    x = 8,439.19

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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.