Home / 12,276.48-18,424.04-8,998.12

Finding the Fourth Proportional to 12,276.48, 18,424.04 and 8,998.12

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Solution

The fourth proportional to 12,276.48, 18,424.04 and 8,998.12 is: 13,504.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,276.48 : 18,424.04 = 8,998.12 : x
  2. Step 2: Convert to fraction form
    12,276.48/18,424.04 = 8,998.12/x
  3. Step 3: Cross multiply
    12,276.48x = 18,424.04 × 8,998.12
  4. Step 4: Simplify right side
    12,276.48x = 165,781,722.80
  5. Step 5: Solve for x
    x = 165,781,722.80/12,276.48
  6. Step 6: Final answer
    x = 13,504.01

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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.