Home / 13,351.76-20,020.88-4,463.93

Finding the Fourth Proportional to 13,351.76, 20,020.88 and 4,463.93

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Solution

The fourth proportional to 13,351.76, 20,020.88 and 4,463.93 is: 6,693.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351.76 : 20,020.88 = 4,463.93 : x
  2. Step 2: Convert to fraction form
    13,351.76/20,020.88 = 4,463.93/x
  3. Step 3: Cross multiply
    13,351.76x = 20,020.88 × 4,463.93
  4. Step 4: Simplify right side
    13,351.76x = 89,371,730.34
  5. Step 5: Solve for x
    x = 89,371,730.34/13,351.76
  6. Step 6: Final answer
    x = 6,693.63

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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.