Home / 14,510.88-21,761.06-6,191.78

Finding the Fourth Proportional to 14,510.88, 21,761.06 and 6,191.78

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Solution

The fourth proportional to 14,510.88, 21,761.06 and 6,191.78 is: 9,285.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,510.88 : 21,761.06 = 6,191.78 : x
  2. Step 2: Convert to fraction form
    14,510.88/21,761.06 = 6,191.78/x
  3. Step 3: Cross multiply
    14,510.88x = 21,761.06 × 6,191.78
  4. Step 4: Simplify right side
    14,510.88x = 134,739,556.32
  5. Step 5: Solve for x
    x = 134,739,556.32/14,510.88
  6. Step 6: Final answer
    x = 9,285.42

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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.