Home / 11,054.67-15,256.13-6,340.47

Finding the Fourth Proportional to 11,054.67, 15,256.13 and 6,340.47

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Solution

The fourth proportional to 11,054.67, 15,256.13 and 6,340.47 is: 8,750.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,054.67 : 15,256.13 = 6,340.47 : x
  2. Step 2: Convert to fraction form
    11,054.67/15,256.13 = 6,340.47/x
  3. Step 3: Cross multiply
    11,054.67x = 15,256.13 × 6,340.47
  4. Step 4: Simplify right side
    11,054.67x = 96,731,002.88
  5. Step 5: Solve for x
    x = 96,731,002.88/11,054.67
  6. Step 6: Final answer
    x = 8,750.24

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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.