Home / 11,277.72-15,563.28-6,800.58

Finding the Fourth Proportional to 11,277.72, 15,563.28 and 6,800.58

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Solution

The fourth proportional to 11,277.72, 15,563.28 and 6,800.58 is: 9,384.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,277.72 : 15,563.28 = 6,800.58 : x
  2. Step 2: Convert to fraction form
    11,277.72/15,563.28 = 6,800.58/x
  3. Step 3: Cross multiply
    11,277.72x = 15,563.28 × 6,800.58
  4. Step 4: Simplify right side
    11,277.72x = 105,839,330.70
  5. Step 5: Solve for x
    x = 105,839,330.70/11,277.72
  6. Step 6: Final answer
    x = 9,384.82

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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.