Home / 13,877.02-20,825.79-10,188.82

Finding the Fourth Proportional to 13,877.02, 20,825.79 and 10,188.82

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Solution

The fourth proportional to 13,877.02, 20,825.79 and 10,188.82 is: 15,290.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877.02 : 20,825.79 = 10,188.82 : x
  2. Step 2: Convert to fraction form
    13,877.02/20,825.79 = 10,188.82/x
  3. Step 3: Cross multiply
    13,877.02x = 20,825.79 × 10,188.82
  4. Step 4: Simplify right side
    13,877.02x = 212,190,225.67
  5. Step 5: Solve for x
    x = 212,190,225.67/13,877.02
  6. Step 6: Final answer
    x = 15,290.76

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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.