Home / 14,008.58-20,990.97-8,803.52

Finding the Fourth Proportional to 14,008.58, 20,990.97 and 8,803.52

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Solution

The fourth proportional to 14,008.58, 20,990.97 and 8,803.52 is: 13,191.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.58 : 20,990.97 = 8,803.52 : x
  2. Step 2: Convert to fraction form
    14,008.58/20,990.97 = 8,803.52/x
  3. Step 3: Cross multiply
    14,008.58x = 20,990.97 × 8,803.52
  4. Step 4: Simplify right side
    14,008.58x = 184,794,424.21
  5. Step 5: Solve for x
    x = 184,794,424.21/14,008.58
  6. Step 6: Final answer
    x = 13,191.52

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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.