Home / 14,781.56-22,152.60-5,412.80

Finding the Fourth Proportional to 14,781.56, 22,152.60 and 5,412.80

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Solution

The fourth proportional to 14,781.56, 22,152.60 and 5,412.80 is: 8,111.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,781.56 : 22,152.60 = 5,412.80 : x
  2. Step 2: Convert to fraction form
    14,781.56/22,152.60 = 5,412.80/x
  3. Step 3: Cross multiply
    14,781.56x = 22,152.60 × 5,412.80
  4. Step 4: Simplify right side
    14,781.56x = 119,907,593.28
  5. Step 5: Solve for x
    x = 119,907,593.28/14,781.56
  6. Step 6: Final answer
    x = 8,111.97

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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.