Home / 15,012.41-20,715.69-8,296.96

Finding the Fourth Proportional to 15,012.41, 20,715.69 and 8,296.96

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Solution

The fourth proportional to 15,012.41, 20,715.69 and 8,296.96 is: 11,449.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,012.41 : 20,715.69 = 8,296.96 : x
  2. Step 2: Convert to fraction form
    15,012.41/20,715.69 = 8,296.96/x
  3. Step 3: Cross multiply
    15,012.41x = 20,715.69 × 8,296.96
  4. Step 4: Simplify right side
    15,012.41x = 171,877,251.30
  5. Step 5: Solve for x
    x = 171,877,251.30/15,012.41
  6. Step 6: Final answer
    x = 11,449.01

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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.