Home / 12,892.19-17,799.75-9,902.66

Finding the Fourth Proportional to 12,892.19, 17,799.75 and 9,902.66

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Solution

The fourth proportional to 12,892.19, 17,799.75 and 9,902.66 is: 13,672.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,892.19 : 17,799.75 = 9,902.66 : x
  2. Step 2: Convert to fraction form
    12,892.19/17,799.75 = 9,902.66/x
  3. Step 3: Cross multiply
    12,892.19x = 17,799.75 × 9,902.66
  4. Step 4: Simplify right side
    12,892.19x = 176,264,783.34
  5. Step 5: Solve for x
    x = 176,264,783.34/12,892.19
  6. Step 6: Final answer
    x = 13,672.22

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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.