Home / 15,352.14-21,185.49-9,305.96

Finding the Fourth Proportional to 15,352.14, 21,185.49 and 9,305.96

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Solution

The fourth proportional to 15,352.14, 21,185.49 and 9,305.96 is: 12,841.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,352.14 : 21,185.49 = 9,305.96 : x
  2. Step 2: Convert to fraction form
    15,352.14/21,185.49 = 9,305.96/x
  3. Step 3: Cross multiply
    15,352.14x = 21,185.49 × 9,305.96
  4. Step 4: Simplify right side
    15,352.14x = 197,151,322.52
  5. Step 5: Solve for x
    x = 197,151,322.52/15,352.14
  6. Step 6: Final answer
    x = 12,841.94

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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.