Home / 15,537.19-21,444.10-9,163.39

Finding the Fourth Proportional to 15,537.19, 21,444.10 and 9,163.39

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Solution

The fourth proportional to 15,537.19, 21,444.10 and 9,163.39 is: 12,647.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537.19 : 21,444.10 = 9,163.39 : x
  2. Step 2: Convert to fraction form
    15,537.19/21,444.10 = 9,163.39/x
  3. Step 3: Cross multiply
    15,537.19x = 21,444.10 × 9,163.39
  4. Step 4: Simplify right side
    15,537.19x = 196,500,651.50
  5. Step 5: Solve for x
    x = 196,500,651.50/15,537.19
  6. Step 6: Final answer
    x = 12,647.12

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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.