Home / 12,741.20-19,095.60-6,893

Finding the Fourth Proportional to 12,741.20, 19,095.60 and 6,893

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Solution

The fourth proportional to 12,741.20, 19,095.60 and 6,893 is: 10,330.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,741.20 : 19,095.60 = 6,893 : x
  2. Step 2: Convert to fraction form
    12,741.20/19,095.60 = 6,893/x
  3. Step 3: Cross multiply
    12,741.20x = 19,095.60 × 6,893
  4. Step 4: Simplify right side
    12,741.20x = 131,625,970.80
  5. Step 5: Solve for x
    x = 131,625,970.80/12,741.20
  6. Step 6: Final answer
    x = 10,330.74

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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.