Home / 15,363.47-21,204.92-9,076.79

Finding the Fourth Proportional to 15,363.47, 21,204.92 and 9,076.79

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Solution

The fourth proportional to 15,363.47, 21,204.92 and 9,076.79 is: 12,527.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,363.47 : 21,204.92 = 9,076.79 : x
  2. Step 2: Convert to fraction form
    15,363.47/21,204.92 = 9,076.79/x
  3. Step 3: Cross multiply
    15,363.47x = 21,204.92 × 9,076.79
  4. Step 4: Simplify right side
    15,363.47x = 192,472,605.81
  5. Step 5: Solve for x
    x = 192,472,605.81/15,363.47
  6. Step 6: Final answer
    x = 12,527.94

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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.