Home / 13,587.88-20,353.02-10,264.36

Finding the Fourth Proportional to 13,587.88, 20,353.02 and 10,264.36

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Solution

The fourth proportional to 13,587.88, 20,353.02 and 10,264.36 is: 15,374.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587.88 : 20,353.02 = 10,264.36 : x
  2. Step 2: Convert to fraction form
    13,587.88/20,353.02 = 10,264.36/x
  3. Step 3: Cross multiply
    13,587.88x = 20,353.02 × 10,264.36
  4. Step 4: Simplify right side
    13,587.88x = 208,910,724.37
  5. Step 5: Solve for x
    x = 208,910,724.37/13,587.88
  6. Step 6: Final answer
    x = 15,374.78

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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.