Home / 10,243.08-15,364.15-4,238.42

Finding the Fourth Proportional to 10,243.08, 15,364.15 and 4,238.42

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Solution

The fourth proportional to 10,243.08, 15,364.15 and 4,238.42 is: 6,357.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.08 : 15,364.15 = 4,238.42 : x
  2. Step 2: Convert to fraction form
    10,243.08/15,364.15 = 4,238.42/x
  3. Step 3: Cross multiply
    10,243.08x = 15,364.15 × 4,238.42
  4. Step 4: Simplify right side
    10,243.08x = 65,119,633.23
  5. Step 5: Solve for x
    x = 65,119,633.23/10,243.08
  6. Step 6: Final answer
    x = 6,357.43

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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.