Home / 20,411.56-30,618.47-6,373.52

Finding the Fourth Proportional to 20,411.56, 30,618.47 and 6,373.52

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Solution

The fourth proportional to 20,411.56, 30,618.47 and 6,373.52 is: 9,560.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,411.56 : 30,618.47 = 6,373.52 : x
  2. Step 2: Convert to fraction form
    20,411.56/30,618.47 = 6,373.52/x
  3. Step 3: Cross multiply
    20,411.56x = 30,618.47 × 6,373.52
  4. Step 4: Simplify right side
    20,411.56x = 195,147,430.91
  5. Step 5: Solve for x
    x = 195,147,430.91/20,411.56
  6. Step 6: Final answer
    x = 9,560.63

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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.