Home / 20,324.49-30,475.60-6,280.71

Finding the Fourth Proportional to 20,324.49, 30,475.60 and 6,280.71

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Solution

The fourth proportional to 20,324.49, 30,475.60 and 6,280.71 is: 9,417.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,324.49 : 30,475.60 = 6,280.71 : x
  2. Step 2: Convert to fraction form
    20,324.49/30,475.60 = 6,280.71/x
  3. Step 3: Cross multiply
    20,324.49x = 30,475.60 × 6,280.71
  4. Step 4: Simplify right side
    20,324.49x = 191,408,389.97
  5. Step 5: Solve for x
    x = 191,408,389.97/20,324.49
  6. Step 6: Final answer
    x = 9,417.62

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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.