Home / 13,360.78-20,013.44-6,773.10

Finding the Fourth Proportional to 13,360.78, 20,013.44 and 6,773.10

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Solution

The fourth proportional to 13,360.78, 20,013.44 and 6,773.10 is: 10,145.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.78 : 20,013.44 = 6,773.10 : x
  2. Step 2: Convert to fraction form
    13,360.78/20,013.44 = 6,773.10/x
  3. Step 3: Cross multiply
    13,360.78x = 20,013.44 × 6,773.10
  4. Step 4: Simplify right side
    13,360.78x = 135,553,030.46
  5. Step 5: Solve for x
    x = 135,553,030.46/13,360.78
  6. Step 6: Final answer
    x = 10,145.59

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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.