Home / 13,200.69-18,217.19-9,010.29

Finding the Fourth Proportional to 13,200.69, 18,217.19 and 9,010.29

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Solution

The fourth proportional to 13,200.69, 18,217.19 and 9,010.29 is: 12,434.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200.69 : 18,217.19 = 9,010.29 : x
  2. Step 2: Convert to fraction form
    13,200.69/18,217.19 = 9,010.29/x
  3. Step 3: Cross multiply
    13,200.69x = 18,217.19 × 9,010.29
  4. Step 4: Simplify right side
    13,200.69x = 164,142,119.83
  5. Step 5: Solve for x
    x = 164,142,119.83/13,200.69
  6. Step 6: Final answer
    x = 12,434.36

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.