Home / 13,473.20-20,178.36-13,006.16

Finding the Fourth Proportional to 13,473.20, 20,178.36 and 13,006.16

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Solution

The fourth proportional to 13,473.20, 20,178.36 and 13,006.16 is: 19,478.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,473.20 : 20,178.36 = 13,006.16 : x
  2. Step 2: Convert to fraction form
    13,473.20/20,178.36 = 13,006.16/x
  3. Step 3: Cross multiply
    13,473.20x = 20,178.36 × 13,006.16
  4. Step 4: Simplify right side
    13,473.20x = 262,442,978.70
  5. Step 5: Solve for x
    x = 262,442,978.70/13,473.20
  6. Step 6: Final answer
    x = 19,478.89

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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.