Home / 15,010.14-20,715.30-8,296.86

Finding the Fourth Proportional to 15,010.14, 20,715.30 and 8,296.86

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Solution

The fourth proportional to 15,010.14, 20,715.30 and 8,296.86 is: 11,450.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.14 : 20,715.30 = 8,296.86 : x
  2. Step 2: Convert to fraction form
    15,010.14/20,715.30 = 8,296.86/x
  3. Step 3: Cross multiply
    15,010.14x = 20,715.30 × 8,296.86
  4. Step 4: Simplify right side
    15,010.14x = 171,871,943.96
  5. Step 5: Solve for x
    x = 171,871,943.96/15,010.14
  6. Step 6: Final answer
    x = 11,450.39

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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.