Home / 14,852.80-20,490.48-8,561.44

Finding the Fourth Proportional to 14,852.80, 20,490.48 and 8,561.44

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Solution

The fourth proportional to 14,852.80, 20,490.48 and 8,561.44 is: 11,811.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,852.80 : 20,490.48 = 8,561.44 : x
  2. Step 2: Convert to fraction form
    14,852.80/20,490.48 = 8,561.44/x
  3. Step 3: Cross multiply
    14,852.80x = 20,490.48 × 8,561.44
  4. Step 4: Simplify right side
    14,852.80x = 175,428,015.09
  5. Step 5: Solve for x
    x = 175,428,015.09/14,852.80
  6. Step 6: Final answer
    x = 11,811.11

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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.