Home / 13,358.71-20,037.03-5,459.13

Finding the Fourth Proportional to 13,358.71, 20,037.03 and 5,459.13

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Solution

The fourth proportional to 13,358.71, 20,037.03 and 5,459.13 is: 8,188.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358.71 : 20,037.03 = 5,459.13 : x
  2. Step 2: Convert to fraction form
    13,358.71/20,037.03 = 5,459.13/x
  3. Step 3: Cross multiply
    13,358.71x = 20,037.03 × 5,459.13
  4. Step 4: Simplify right side
    13,358.71x = 109,384,751.58
  5. Step 5: Solve for x
    x = 109,384,751.58/13,358.71
  6. Step 6: Final answer
    x = 8,188.27

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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.