Home / 15,542.31-21,448.09-9,573.83

Finding the Fourth Proportional to 15,542.31, 21,448.09 and 9,573.83

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Solution

The fourth proportional to 15,542.31, 21,448.09 and 9,573.83 is: 13,211.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,542.31 : 21,448.09 = 9,573.83 : x
  2. Step 2: Convert to fraction form
    15,542.31/21,448.09 = 9,573.83/x
  3. Step 3: Cross multiply
    15,542.31x = 21,448.09 × 9,573.83
  4. Step 4: Simplify right side
    15,542.31x = 205,340,352.64
  5. Step 5: Solve for x
    x = 205,340,352.64/15,542.31
  6. Step 6: Final answer
    x = 13,211.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.