Home / 11,419.38-17,135.55-4,498.74

Finding the Fourth Proportional to 11,419.38, 17,135.55 and 4,498.74

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Solution

The fourth proportional to 11,419.38, 17,135.55 and 4,498.74 is: 6,750.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,419.38 : 17,135.55 = 4,498.74 : x
  2. Step 2: Convert to fraction form
    11,419.38/17,135.55 = 4,498.74/x
  3. Step 3: Cross multiply
    11,419.38x = 17,135.55 × 4,498.74
  4. Step 4: Simplify right side
    11,419.38x = 77,088,384.21
  5. Step 5: Solve for x
    x = 77,088,384.21/11,419.38
  6. Step 6: Final answer
    x = 6,750.66

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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.