Home / 11,665.10-17,498.80-4,643.55

Finding the Fourth Proportional to 11,665.10, 17,498.80 and 4,643.55

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Solution

The fourth proportional to 11,665.10, 17,498.80 and 4,643.55 is: 6,965.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,665.10 : 17,498.80 = 4,643.55 : x
  2. Step 2: Convert to fraction form
    11,665.10/17,498.80 = 4,643.55/x
  3. Step 3: Cross multiply
    11,665.10x = 17,498.80 × 4,643.55
  4. Step 4: Simplify right side
    11,665.10x = 81,256,552.74
  5. Step 5: Solve for x
    x = 81,256,552.74/11,665.10
  6. Step 6: Final answer
    x = 6,965.78

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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.