Home / 14,034.54-21,040.63-8,104.70

Finding the Fourth Proportional to 14,034.54, 21,040.63 and 8,104.70

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Solution

The fourth proportional to 14,034.54, 21,040.63 and 8,104.70 is: 12,150.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,034.54 : 21,040.63 = 8,104.70 : x
  2. Step 2: Convert to fraction form
    14,034.54/21,040.63 = 8,104.70/x
  3. Step 3: Cross multiply
    14,034.54x = 21,040.63 × 8,104.70
  4. Step 4: Simplify right side
    14,034.54x = 170,527,888.76
  5. Step 5: Solve for x
    x = 170,527,888.76/14,034.54
  6. Step 6: Final answer
    x = 12,150.59

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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.