Home / 14,658.48-20,228.56-8,370.80

Finding the Fourth Proportional to 14,658.48, 20,228.56 and 8,370.80

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Solution

The fourth proportional to 14,658.48, 20,228.56 and 8,370.80 is: 11,551.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658.48 : 20,228.56 = 8,370.80 : x
  2. Step 2: Convert to fraction form
    14,658.48/20,228.56 = 8,370.80/x
  3. Step 3: Cross multiply
    14,658.48x = 20,228.56 × 8,370.80
  4. Step 4: Simplify right side
    14,658.48x = 169,329,230.05
  5. Step 5: Solve for x
    x = 169,329,230.05/14,658.48
  6. Step 6: Final answer
    x = 11,551.62

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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.