Home / 15,955.14-22,017.87-8,881.56

Finding the Fourth Proportional to 15,955.14, 22,017.87 and 8,881.56

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Solution

The fourth proportional to 15,955.14, 22,017.87 and 8,881.56 is: 12,256.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,955.14 : 22,017.87 = 8,881.56 : x
  2. Step 2: Convert to fraction form
    15,955.14/22,017.87 = 8,881.56/x
  3. Step 3: Cross multiply
    15,955.14x = 22,017.87 × 8,881.56
  4. Step 4: Simplify right side
    15,955.14x = 195,553,033.48
  5. Step 5: Solve for x
    x = 195,553,033.48/15,955.14
  6. Step 6: Final answer
    x = 12,256.43

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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.