Home / 11,261.88-15,547.50-6,786.63

Finding the Fourth Proportional to 11,261.88, 15,547.50 and 6,786.63

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Solution

The fourth proportional to 11,261.88, 15,547.50 and 6,786.63 is: 9,369.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.88 : 15,547.50 = 6,786.63 : x
  2. Step 2: Convert to fraction form
    11,261.88/15,547.50 = 6,786.63/x
  3. Step 3: Cross multiply
    11,261.88x = 15,547.50 × 6,786.63
  4. Step 4: Simplify right side
    11,261.88x = 105,515,129.93
  5. Step 5: Solve for x
    x = 105,515,129.93/11,261.88
  6. Step 6: Final answer
    x = 9,369.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.