Home / 14,859.36-20,505.69-8,891.55

Finding the Fourth Proportional to 14,859.36, 20,505.69 and 8,891.55

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Solution

The fourth proportional to 14,859.36, 20,505.69 and 8,891.55 is: 12,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,859.36 : 20,505.69 = 8,891.55 : x
  2. Step 2: Convert to fraction form
    14,859.36/20,505.69 = 8,891.55/x
  3. Step 3: Cross multiply
    14,859.36x = 20,505.69 × 8,891.55
  4. Step 4: Simplify right side
    14,859.36x = 182,327,367.92
  5. Step 5: Solve for x
    x = 182,327,367.92/14,859.36
  6. Step 6: Final answer
    x = 12,270.20

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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.