Home / 11,547.12-17,305.89-6,284.55

Finding the Fourth Proportional to 11,547.12, 17,305.89 and 6,284.55

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Solution

The fourth proportional to 11,547.12, 17,305.89 and 6,284.55 is: 9,418.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,547.12 : 17,305.89 = 6,284.55 : x
  2. Step 2: Convert to fraction form
    11,547.12/17,305.89 = 6,284.55/x
  3. Step 3: Cross multiply
    11,547.12x = 17,305.89 × 6,284.55
  4. Step 4: Simplify right side
    11,547.12x = 108,759,731.00
  5. Step 5: Solve for x
    x = 108,759,731.00/11,547.12
  6. Step 6: Final answer
    x = 9,418.78

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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.