Home / 20,250.81-30,376.22-8,564.13

Finding the Fourth Proportional to 20,250.81, 30,376.22 and 8,564.13

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Solution

The fourth proportional to 20,250.81, 30,376.22 and 8,564.13 is: 12,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250.81 : 30,376.22 = 8,564.13 : x
  2. Step 2: Convert to fraction form
    20,250.81/30,376.22 = 8,564.13/x
  3. Step 3: Cross multiply
    20,250.81x = 30,376.22 × 8,564.13
  4. Step 4: Simplify right side
    20,250.81x = 260,145,854.17
  5. Step 5: Solve for x
    x = 260,145,854.17/20,250.81
  6. Step 6: Final answer
    x = 12,846.20

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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.