Home / 11,054.35-15,256.31-6,209.88

Finding the Fourth Proportional to 11,054.35, 15,256.31 and 6,209.88

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Solution

The fourth proportional to 11,054.35, 15,256.31 and 6,209.88 is: 8,570.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,054.35 : 15,256.31 = 6,209.88 : x
  2. Step 2: Convert to fraction form
    11,054.35/15,256.31 = 6,209.88/x
  3. Step 3: Cross multiply
    11,054.35x = 15,256.31 × 6,209.88
  4. Step 4: Simplify right side
    11,054.35x = 94,739,854.34
  5. Step 5: Solve for x
    x = 94,739,854.34/11,054.35
  6. Step 6: Final answer
    x = 8,570.37

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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.