Home / 13,432.73-20,143.86-4,545.68

Finding the Fourth Proportional to 13,432.73, 20,143.86 and 4,545.68

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Solution

The fourth proportional to 13,432.73, 20,143.86 and 4,545.68 is: 6,816.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.73 : 20,143.86 = 4,545.68 : x
  2. Step 2: Convert to fraction form
    13,432.73/20,143.86 = 4,545.68/x
  3. Step 3: Cross multiply
    13,432.73x = 20,143.86 × 4,545.68
  4. Step 4: Simplify right side
    13,432.73x = 91,567,440.81
  5. Step 5: Solve for x
    x = 91,567,440.81/13,432.73
  6. Step 6: Final answer
    x = 6,816.74

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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.