Home / 13,251.69-18,287.17-7,283.29

Finding the Fourth Proportional to 13,251.69, 18,287.17 and 7,283.29

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Solution

The fourth proportional to 13,251.69, 18,287.17 and 7,283.29 is: 10,050.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251.69 : 18,287.17 = 7,283.29 : x
  2. Step 2: Convert to fraction form
    13,251.69/18,287.17 = 7,283.29/x
  3. Step 3: Cross multiply
    13,251.69x = 18,287.17 × 7,283.29
  4. Step 4: Simplify right side
    13,251.69x = 133,190,762.39
  5. Step 5: Solve for x
    x = 133,190,762.39/13,251.69
  6. Step 6: Final answer
    x = 10,050.85

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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.