Home / 11,522.09-15,901.45-6,678.50

Finding the Fourth Proportional to 11,522.09, 15,901.45 and 6,678.50

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Solution

The fourth proportional to 11,522.09, 15,901.45 and 6,678.50 is: 9,216.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,522.09 : 15,901.45 = 6,678.50 : x
  2. Step 2: Convert to fraction form
    11,522.09/15,901.45 = 6,678.50/x
  3. Step 3: Cross multiply
    11,522.09x = 15,901.45 × 6,678.50
  4. Step 4: Simplify right side
    11,522.09x = 106,197,737.62
  5. Step 5: Solve for x
    x = 106,197,737.62/11,522.09
  6. Step 6: Final answer
    x = 9,216.88

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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.