Home / 13,569.38-20,374.73-12,901.13

Finding the Fourth Proportional to 13,569.38, 20,374.73 and 12,901.13

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Solution

The fourth proportional to 13,569.38, 20,374.73 and 12,901.13 is: 19,371.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.38 : 20,374.73 = 12,901.13 : x
  2. Step 2: Convert to fraction form
    13,569.38/20,374.73 = 12,901.13/x
  3. Step 3: Cross multiply
    13,569.38x = 20,374.73 × 12,901.13
  4. Step 4: Simplify right side
    13,569.38x = 262,857,040.44
  5. Step 5: Solve for x
    x = 262,857,040.44/13,569.38
  6. Step 6: Final answer
    x = 19,371.34

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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.