Home / 13,243.87-18,292.71-9,901.52

Finding the Fourth Proportional to 13,243.87, 18,292.71 and 9,901.52

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Solution

The fourth proportional to 13,243.87, 18,292.71 and 9,901.52 is: 13,676.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,243.87 : 18,292.71 = 9,901.52 : x
  2. Step 2: Convert to fraction form
    13,243.87/18,292.71 = 9,901.52/x
  3. Step 3: Cross multiply
    13,243.87x = 18,292.71 × 9,901.52
  4. Step 4: Simplify right side
    13,243.87x = 181,125,633.92
  5. Step 5: Solve for x
    x = 181,125,633.92/13,243.87
  6. Step 6: Final answer
    x = 13,676.19

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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.