Home / 20,264.37-27,952.38-13,458.69

Finding the Fourth Proportional to 20,264.37, 27,952.38 and 13,458.69

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Solution

The fourth proportional to 20,264.37, 27,952.38 and 13,458.69 is: 18,564.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,264.37 : 27,952.38 = 13,458.69 : x
  2. Step 2: Convert to fraction form
    20,264.37/27,952.38 = 13,458.69/x
  3. Step 3: Cross multiply
    20,264.37x = 27,952.38 × 13,458.69
  4. Step 4: Simplify right side
    20,264.37x = 376,202,417.18
  5. Step 5: Solve for x
    x = 376,202,417.18/20,264.37
  6. Step 6: Final answer
    x = 18,564.72

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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.