Home / 13,358.68-20,031.24-4,470.84

Finding the Fourth Proportional to 13,358.68, 20,031.24 and 4,470.84

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Solution

The fourth proportional to 13,358.68, 20,031.24 and 4,470.84 is: 6,703.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358.68 : 20,031.24 = 4,470.84 : x
  2. Step 2: Convert to fraction form
    13,358.68/20,031.24 = 4,470.84/x
  3. Step 3: Cross multiply
    13,358.68x = 20,031.24 × 4,470.84
  4. Step 4: Simplify right side
    13,358.68x = 89,556,469.04
  5. Step 5: Solve for x
    x = 89,556,469.04/13,358.68
  6. Step 6: Final answer
    x = 6,703.99

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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.