Home / 14,335.88-21,521.36-8,100.28

Finding the Fourth Proportional to 14,335.88, 21,521.36 and 8,100.28

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Solution

The fourth proportional to 14,335.88, 21,521.36 and 8,100.28 is: 12,160.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,335.88 : 21,521.36 = 8,100.28 : x
  2. Step 2: Convert to fraction form
    14,335.88/21,521.36 = 8,100.28/x
  3. Step 3: Cross multiply
    14,335.88x = 21,521.36 × 8,100.28
  4. Step 4: Simplify right side
    14,335.88x = 174,329,041.98
  5. Step 5: Solve for x
    x = 174,329,041.98/14,335.88
  6. Step 6: Final answer
    x = 12,160.33

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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.