Home / 10,197.90-15,294.42-2,802.92

Finding the Fourth Proportional to 10,197.90, 15,294.42 and 2,802.92

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Solution

The fourth proportional to 10,197.90, 15,294.42 and 2,802.92 is: 4,203.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,197.90 : 15,294.42 = 2,802.92 : x
  2. Step 2: Convert to fraction form
    10,197.90/15,294.42 = 2,802.92/x
  3. Step 3: Cross multiply
    10,197.90x = 15,294.42 × 2,802.92
  4. Step 4: Simplify right side
    10,197.90x = 42,868,959.23
  5. Step 5: Solve for x
    x = 42,868,959.23/10,197.90
  6. Step 6: Final answer
    x = 4,203.70

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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.