Home / 14,250.88-21,356.80-8,013.92

Finding the Fourth Proportional to 14,250.88, 21,356.80 and 8,013.92

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Solution

The fourth proportional to 14,250.88, 21,356.80 and 8,013.92 is: 12,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250.88 : 21,356.80 = 8,013.92 : x
  2. Step 2: Convert to fraction form
    14,250.88/21,356.80 = 8,013.92/x
  3. Step 3: Cross multiply
    14,250.88x = 21,356.80 × 8,013.92
  4. Step 4: Simplify right side
    14,250.88x = 171,151,686.66
  5. Step 5: Solve for x
    x = 171,151,686.66/14,250.88
  6. Step 6: Final answer
    x = 12,009.90

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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.