Home / 14,242.20-19,658.39-8,276.55

Finding the Fourth Proportional to 14,242.20, 19,658.39 and 8,276.55

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Solution

The fourth proportional to 14,242.20, 19,658.39 and 8,276.55 is: 11,424.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.20 : 19,658.39 = 8,276.55 : x
  2. Step 2: Convert to fraction form
    14,242.20/19,658.39 = 8,276.55/x
  3. Step 3: Cross multiply
    14,242.20x = 19,658.39 × 8,276.55
  4. Step 4: Simplify right side
    14,242.20x = 162,703,647.75
  5. Step 5: Solve for x
    x = 162,703,647.75/14,242.20
  6. Step 6: Final answer
    x = 11,424.05

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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.