Home / 11,458.89-17,189.98-4,345.74

Finding the Fourth Proportional to 11,458.89, 17,189.98 and 4,345.74

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Solution

The fourth proportional to 11,458.89, 17,189.98 and 4,345.74 is: 6,519.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,458.89 : 17,189.98 = 4,345.74 : x
  2. Step 2: Convert to fraction form
    11,458.89/17,189.98 = 4,345.74/x
  3. Step 3: Cross multiply
    11,458.89x = 17,189.98 × 4,345.74
  4. Step 4: Simplify right side
    11,458.89x = 74,703,161.96
  5. Step 5: Solve for x
    x = 74,703,161.96/11,458.89
  6. Step 6: Final answer
    x = 6,519.23

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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.