Home / 20,342.02-28,073.55-11,846.79

Finding the Fourth Proportional to 20,342.02, 28,073.55 and 11,846.79

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Solution

The fourth proportional to 20,342.02, 28,073.55 and 11,846.79 is: 16,349.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,342.02 : 28,073.55 = 11,846.79 : x
  2. Step 2: Convert to fraction form
    20,342.02/28,073.55 = 11,846.79/x
  3. Step 3: Cross multiply
    20,342.02x = 28,073.55 × 11,846.79
  4. Step 4: Simplify right side
    20,342.02x = 332,581,451.40
  5. Step 5: Solve for x
    x = 332,581,451.40/20,342.02
  6. Step 6: Final answer
    x = 16,349.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.