Home / 13,147.92-19,675.80-10,207.44

Finding the Fourth Proportional to 13,147.92, 19,675.80 and 10,207.44

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Solution

The fourth proportional to 13,147.92, 19,675.80 and 10,207.44 is: 15,275.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147.92 : 19,675.80 = 10,207.44 : x
  2. Step 2: Convert to fraction form
    13,147.92/19,675.80 = 10,207.44/x
  3. Step 3: Cross multiply
    13,147.92x = 19,675.80 × 10,207.44
  4. Step 4: Simplify right side
    13,147.92x = 200,839,547.95
  5. Step 5: Solve for x
    x = 200,839,547.95/13,147.92
  6. Step 6: Final answer
    x = 15,275.39

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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.