Home / 12,742.92-19,094.89-5,343.35

Finding the Fourth Proportional to 12,742.92, 19,094.89 and 5,343.35

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Solution

The fourth proportional to 12,742.92, 19,094.89 and 5,343.35 is: 8,006.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,742.92 : 19,094.89 = 5,343.35 : x
  2. Step 2: Convert to fraction form
    12,742.92/19,094.89 = 5,343.35/x
  3. Step 3: Cross multiply
    12,742.92x = 19,094.89 × 5,343.35
  4. Step 4: Simplify right side
    12,742.92x = 102,030,680.48
  5. Step 5: Solve for x
    x = 102,030,680.48/12,742.92
  6. Step 6: Final answer
    x = 8,006.85

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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.