Home / 14,611.95-21,903.57-5,720.76

Finding the Fourth Proportional to 14,611.95, 21,903.57 and 5,720.76

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Solution

The fourth proportional to 14,611.95, 21,903.57 and 5,720.76 is: 8,575.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,611.95 : 21,903.57 = 5,720.76 : x
  2. Step 2: Convert to fraction form
    14,611.95/21,903.57 = 5,720.76/x
  3. Step 3: Cross multiply
    14,611.95x = 21,903.57 × 5,720.76
  4. Step 4: Simplify right side
    14,611.95x = 125,305,067.11
  5. Step 5: Solve for x
    x = 125,305,067.11/14,611.95
  6. Step 6: Final answer
    x = 8,575.52

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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.