Home / 13,346.79-20,020.79-4,462.91

Finding the Fourth Proportional to 13,346.79, 20,020.79 and 4,462.91

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Solution

The fourth proportional to 13,346.79, 20,020.79 and 4,462.91 is: 6,694.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.79 : 20,020.79 = 4,462.91 : x
  2. Step 2: Convert to fraction form
    13,346.79/20,020.79 = 4,462.91/x
  3. Step 3: Cross multiply
    13,346.79x = 20,020.79 × 4,462.91
  4. Step 4: Simplify right side
    13,346.79x = 89,350,983.90
  5. Step 5: Solve for x
    x = 89,350,983.90/13,346.79
  6. Step 6: Final answer
    x = 6,694.57

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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.