Home / 15,351.34-21,182.97-9,683.96

Finding the Fourth Proportional to 15,351.34, 21,182.97 and 9,683.96

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Solution

The fourth proportional to 15,351.34, 21,182.97 and 9,683.96 is: 13,362.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,351.34 : 21,182.97 = 9,683.96 : x
  2. Step 2: Convert to fraction form
    15,351.34/21,182.97 = 9,683.96/x
  3. Step 3: Cross multiply
    15,351.34x = 21,182.97 × 9,683.96
  4. Step 4: Simplify right side
    15,351.34x = 205,135,034.16
  5. Step 5: Solve for x
    x = 205,135,034.16/15,351.34
  6. Step 6: Final answer
    x = 13,362.68

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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.