Home / 13,434.62-20,155.56-4,670.02

Finding the Fourth Proportional to 13,434.62, 20,155.56 and 4,670.02

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Solution

The fourth proportional to 13,434.62, 20,155.56 and 4,670.02 is: 7,006.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.62 : 20,155.56 = 4,670.02 : x
  2. Step 2: Convert to fraction form
    13,434.62/20,155.56 = 4,670.02/x
  3. Step 3: Cross multiply
    13,434.62x = 20,155.56 × 4,670.02
  4. Step 4: Simplify right side
    13,434.62x = 94,126,868.31
  5. Step 5: Solve for x
    x = 94,126,868.31/13,434.62
  6. Step 6: Final answer
    x = 7,006.29

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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.