Home / 14,048.82-19,387.14-7,675.20

Finding the Fourth Proportional to 14,048.82, 19,387.14 and 7,675.20

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Solution

The fourth proportional to 14,048.82, 19,387.14 and 7,675.20 is: 10,591.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,048.82 : 19,387.14 = 7,675.20 : x
  2. Step 2: Convert to fraction form
    14,048.82/19,387.14 = 7,675.20/x
  3. Step 3: Cross multiply
    14,048.82x = 19,387.14 × 7,675.20
  4. Step 4: Simplify right side
    14,048.82x = 148,800,176.93
  5. Step 5: Solve for x
    x = 148,800,176.93/14,048.82
  6. Step 6: Final answer
    x = 10,591.65

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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.