Home / 15,527.25-21,433.01-9,239.49

Finding the Fourth Proportional to 15,527.25, 21,433.01 and 9,239.49

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Solution

The fourth proportional to 15,527.25, 21,433.01 and 9,239.49 is: 12,753.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,527.25 : 21,433.01 = 9,239.49 : x
  2. Step 2: Convert to fraction form
    15,527.25/21,433.01 = 9,239.49/x
  3. Step 3: Cross multiply
    15,527.25x = 21,433.01 × 9,239.49
  4. Step 4: Simplify right side
    15,527.25x = 198,030,035.37
  5. Step 5: Solve for x
    x = 198,030,035.37/15,527.25
  6. Step 6: Final answer
    x = 12,753.71

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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.