Home / 13,480.17-20,211.54-6,460.02

Finding the Fourth Proportional to 13,480.17, 20,211.54 and 6,460.02

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Solution

The fourth proportional to 13,480.17, 20,211.54 and 6,460.02 is: 9,685.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480.17 : 20,211.54 = 6,460.02 : x
  2. Step 2: Convert to fraction form
    13,480.17/20,211.54 = 6,460.02/x
  3. Step 3: Cross multiply
    13,480.17x = 20,211.54 × 6,460.02
  4. Step 4: Simplify right side
    13,480.17x = 130,566,952.63
  5. Step 5: Solve for x
    x = 130,566,952.63/13,480.17
  6. Step 6: Final answer
    x = 9,685.85

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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.