Home / 13,512.95-20,264.26-6,491.01

Finding the Fourth Proportional to 13,512.95, 20,264.26 and 6,491.01

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Solution

The fourth proportional to 13,512.95, 20,264.26 and 6,491.01 is: 9,734.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.95 : 20,264.26 = 6,491.01 : x
  2. Step 2: Convert to fraction form
    13,512.95/20,264.26 = 6,491.01/x
  3. Step 3: Cross multiply
    13,512.95x = 20,264.26 × 6,491.01
  4. Step 4: Simplify right side
    13,512.95x = 131,535,514.30
  5. Step 5: Solve for x
    x = 131,535,514.30/13,512.95
  6. Step 6: Final answer
    x = 9,734.03

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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.