Home / 13,337.95-20,006.40-3,477.31

Finding the Fourth Proportional to 13,337.95, 20,006.40 and 3,477.31

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Solution

The fourth proportional to 13,337.95, 20,006.40 and 3,477.31 is: 5,215.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.95 : 20,006.40 = 3,477.31 : x
  2. Step 2: Convert to fraction form
    13,337.95/20,006.40 = 3,477.31/x
  3. Step 3: Cross multiply
    13,337.95x = 20,006.40 × 3,477.31
  4. Step 4: Simplify right side
    13,337.95x = 69,568,454.78
  5. Step 5: Solve for x
    x = 69,568,454.78/13,337.95
  6. Step 6: Final answer
    x = 5,215.83

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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.