Home / 10,871.97-15,002.90-6,156.26

Finding the Fourth Proportional to 10,871.97, 15,002.90 and 6,156.26

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Solution

The fourth proportional to 10,871.97, 15,002.90 and 6,156.26 is: 8,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871.97 : 15,002.90 = 6,156.26 : x
  2. Step 2: Convert to fraction form
    10,871.97/15,002.90 = 6,156.26/x
  3. Step 3: Cross multiply
    10,871.97x = 15,002.90 × 6,156.26
  4. Step 4: Simplify right side
    10,871.97x = 92,361,782.97
  5. Step 5: Solve for x
    x = 92,361,782.97/10,871.97
  6. Step 6: Final answer
    x = 8,495.40

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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.