Home / 13,488.39-20,242.98-8,807.13

Finding the Fourth Proportional to 13,488.39, 20,242.98 and 8,807.13

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Solution

The fourth proportional to 13,488.39, 20,242.98 and 8,807.13 is: 13,217.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488.39 : 20,242.98 = 8,807.13 : x
  2. Step 2: Convert to fraction form
    13,488.39/20,242.98 = 8,807.13/x
  3. Step 3: Cross multiply
    13,488.39x = 20,242.98 × 8,807.13
  4. Step 4: Simplify right side
    13,488.39x = 178,282,556.45
  5. Step 5: Solve for x
    x = 178,282,556.45/13,488.39
  6. Step 6: Final answer
    x = 13,217.48

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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.