Home / 14,839.32-20,478.27-8,124.99

Finding the Fourth Proportional to 14,839.32, 20,478.27 and 8,124.99

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Solution

The fourth proportional to 14,839.32, 20,478.27 and 8,124.99 is: 11,212.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,839.32 : 20,478.27 = 8,124.99 : x
  2. Step 2: Convert to fraction form
    14,839.32/20,478.27 = 8,124.99/x
  3. Step 3: Cross multiply
    14,839.32x = 20,478.27 × 8,124.99
  4. Step 4: Simplify right side
    14,839.32x = 166,385,738.97
  5. Step 5: Solve for x
    x = 166,385,738.97/14,839.32
  6. Step 6: Final answer
    x = 11,212.49

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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.