Home / 14,498.20-21,750.30-8,261.20

Finding the Fourth Proportional to 14,498.20, 21,750.30 and 8,261.20

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Solution

The fourth proportional to 14,498.20, 21,750.30 and 8,261.20 is: 12,393.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,498.20 : 21,750.30 = 8,261.20 : x
  2. Step 2: Convert to fraction form
    14,498.20/21,750.30 = 8,261.20/x
  3. Step 3: Cross multiply
    14,498.20x = 21,750.30 × 8,261.20
  4. Step 4: Simplify right side
    14,498.20x = 179,683,578.36
  5. Step 5: Solve for x
    x = 179,683,578.36/14,498.20
  6. Step 6: Final answer
    x = 12,393.51

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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.