Home / 14,047.59-19,386.91-7,761.18

Finding the Fourth Proportional to 14,047.59, 19,386.91 and 7,761.18

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Solution

The fourth proportional to 14,047.59, 19,386.91 and 7,761.18 is: 10,711.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.59 : 19,386.91 = 7,761.18 : x
  2. Step 2: Convert to fraction form
    14,047.59/19,386.91 = 7,761.18/x
  3. Step 3: Cross multiply
    14,047.59x = 19,386.91 × 7,761.18
  4. Step 4: Simplify right side
    14,047.59x = 150,465,380.56
  5. Step 5: Solve for x
    x = 150,465,380.56/14,047.59
  6. Step 6: Final answer
    x = 10,711.11

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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.