Home / 12,848.97-19,278.18-9,180.07

Finding the Fourth Proportional to 12,848.97, 19,278.18 and 9,180.07

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Solution

The fourth proportional to 12,848.97, 19,278.18 and 9,180.07 is: 13,773.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848.97 : 19,278.18 = 9,180.07 : x
  2. Step 2: Convert to fraction form
    12,848.97/19,278.18 = 9,180.07/x
  3. Step 3: Cross multiply
    12,848.97x = 19,278.18 × 9,180.07
  4. Step 4: Simplify right side
    12,848.97x = 176,975,041.87
  5. Step 5: Solve for x
    x = 176,975,041.87/12,848.97
  6. Step 6: Final answer
    x = 13,773.48

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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.