Home / 13,559.59-20,339.52-6,537.97

Finding the Fourth Proportional to 13,559.59, 20,339.52 and 6,537.97

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Solution

The fourth proportional to 13,559.59, 20,339.52 and 6,537.97 is: 9,807.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559.59 : 20,339.52 = 6,537.97 : x
  2. Step 2: Convert to fraction form
    13,559.59/20,339.52 = 6,537.97/x
  3. Step 3: Cross multiply
    13,559.59x = 20,339.52 × 6,537.97
  4. Step 4: Simplify right side
    13,559.59x = 132,979,171.57
  5. Step 5: Solve for x
    x = 132,979,171.57/13,559.59
  6. Step 6: Final answer
    x = 9,807.02

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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.