Home / 13,849.42-19,112.40-7,561.66

Finding the Fourth Proportional to 13,849.42, 19,112.40 and 7,561.66

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Solution

The fourth proportional to 13,849.42, 19,112.40 and 7,561.66 is: 10,435.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.42 : 19,112.40 = 7,561.66 : x
  2. Step 2: Convert to fraction form
    13,849.42/19,112.40 = 7,561.66/x
  3. Step 3: Cross multiply
    13,849.42x = 19,112.40 × 7,561.66
  4. Step 4: Simplify right side
    13,849.42x = 144,521,470.58
  5. Step 5: Solve for x
    x = 144,521,470.58/13,849.42
  6. Step 6: Final answer
    x = 10,435.20

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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.