Home / 14,274.93-21,406.19-6,780.66

Finding the Fourth Proportional to 14,274.93, 21,406.19 and 6,780.66

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Solution

The fourth proportional to 14,274.93, 21,406.19 and 6,780.66 is: 10,168.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274.93 : 21,406.19 = 6,780.66 : x
  2. Step 2: Convert to fraction form
    14,274.93/21,406.19 = 6,780.66/x
  3. Step 3: Cross multiply
    14,274.93x = 21,406.19 × 6,780.66
  4. Step 4: Simplify right side
    14,274.93x = 145,148,062.38
  5. Step 5: Solve for x
    x = 145,148,062.38/14,274.93
  6. Step 6: Final answer
    x = 10,168.04

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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.