Home / 8,867.10-13,244.50-6,898.80

Finding the Fourth Proportional to 8,867.10, 13,244.50 and 6,898.80

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Solution

The fourth proportional to 8,867.10, 13,244.50 and 6,898.80 is: 10,304.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.10 : 13,244.50 = 6,898.80 : x
  2. Step 2: Convert to fraction form
    8,867.10/13,244.50 = 6,898.80/x
  3. Step 3: Cross multiply
    8,867.10x = 13,244.50 × 6,898.80
  4. Step 4: Simplify right side
    8,867.10x = 91,371,156.60
  5. Step 5: Solve for x
    x = 91,371,156.60/8,867.10
  6. Step 6: Final answer
    x = 10,304.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.