Home / 13,358.56-20,050.08-6,789.28

Finding the Fourth Proportional to 13,358.56, 20,050.08 and 6,789.28

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Solution

The fourth proportional to 13,358.56, 20,050.08 and 6,789.28 is: 10,190.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358.56 : 20,050.08 = 6,789.28 : x
  2. Step 2: Convert to fraction form
    13,358.56/20,050.08 = 6,789.28/x
  3. Step 3: Cross multiply
    13,358.56x = 20,050.08 × 6,789.28
  4. Step 4: Simplify right side
    13,358.56x = 136,125,607.14
  5. Step 5: Solve for x
    x = 136,125,607.14/13,358.56
  6. Step 6: Final answer
    x = 10,190.14

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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.