Home / 12,742.42-19,094.15-5,342.85

Finding the Fourth Proportional to 12,742.42, 19,094.15 and 5,342.85

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Solution

The fourth proportional to 12,742.42, 19,094.15 and 5,342.85 is: 8,006.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,742.42 : 19,094.15 = 5,342.85 : x
  2. Step 2: Convert to fraction form
    12,742.42/19,094.15 = 5,342.85/x
  3. Step 3: Cross multiply
    12,742.42x = 19,094.15 × 5,342.85
  4. Step 4: Simplify right side
    12,742.42x = 102,017,057.14
  5. Step 5: Solve for x
    x = 102,017,057.14/12,742.42
  6. Step 6: Final answer
    x = 8,006.10

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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.