Home / 14,839.02-20,478.09-8,124.54

Finding the Fourth Proportional to 14,839.02, 20,478.09 and 8,124.54

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Solution

The fourth proportional to 14,839.02, 20,478.09 and 8,124.54 is: 11,212.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,839.02 : 20,478.09 = 8,124.54 : x
  2. Step 2: Convert to fraction form
    14,839.02/20,478.09 = 8,124.54/x
  3. Step 3: Cross multiply
    14,839.02x = 20,478.09 × 8,124.54
  4. Step 4: Simplify right side
    14,839.02x = 166,375,061.33
  5. Step 5: Solve for x
    x = 166,375,061.33/14,839.02
  6. Step 6: Final answer
    x = 11,212.00

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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.