Home / 11,437.40-17,160.05-4,777.45

Finding the Fourth Proportional to 11,437.40, 17,160.05 and 4,777.45

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Solution

The fourth proportional to 11,437.40, 17,160.05 and 4,777.45 is: 7,167.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,437.40 : 17,160.05 = 4,777.45 : x
  2. Step 2: Convert to fraction form
    11,437.40/17,160.05 = 4,777.45/x
  3. Step 3: Cross multiply
    11,437.40x = 17,160.05 × 4,777.45
  4. Step 4: Simplify right side
    11,437.40x = 81,981,249.92
  5. Step 5: Solve for x
    x = 81,981,249.92/11,437.40
  6. Step 6: Final answer
    x = 7,167.82

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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.