Home / 11,204.51-15,460.47-6,487.88

Finding the Fourth Proportional to 11,204.51, 15,460.47 and 6,487.88

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Solution

The fourth proportional to 11,204.51, 15,460.47 and 6,487.88 is: 8,952.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,204.51 : 15,460.47 = 6,487.88 : x
  2. Step 2: Convert to fraction form
    11,204.51/15,460.47 = 6,487.88/x
  3. Step 3: Cross multiply
    11,204.51x = 15,460.47 × 6,487.88
  4. Step 4: Simplify right side
    11,204.51x = 100,305,596.80
  5. Step 5: Solve for x
    x = 100,305,596.80/11,204.51
  6. Step 6: Final answer
    x = 8,952.26

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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.