Home / 11,251.91-16,868.55-7,090.74

Finding the Fourth Proportional to 11,251.91, 16,868.55 and 7,090.74

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Solution

The fourth proportional to 11,251.91, 16,868.55 and 7,090.74 is: 10,630.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.91 : 16,868.55 = 7,090.74 : x
  2. Step 2: Convert to fraction form
    11,251.91/16,868.55 = 7,090.74/x
  3. Step 3: Cross multiply
    11,251.91x = 16,868.55 × 7,090.74
  4. Step 4: Simplify right side
    11,251.91x = 119,610,528.82
  5. Step 5: Solve for x
    x = 119,610,528.82/11,251.91
  6. Step 6: Final answer
    x = 10,630.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.