Home / 11,477.31-15,845.27-8,767.19

Finding the Fourth Proportional to 11,477.31, 15,845.27 and 8,767.19

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Solution

The fourth proportional to 11,477.31, 15,845.27 and 8,767.19 is: 12,103.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,477.31 : 15,845.27 = 8,767.19 : x
  2. Step 2: Convert to fraction form
    11,477.31/15,845.27 = 8,767.19/x
  3. Step 3: Cross multiply
    11,477.31x = 15,845.27 × 8,767.19
  4. Step 4: Simplify right side
    11,477.31x = 138,918,492.69
  5. Step 5: Solve for x
    x = 138,918,492.69/11,477.31
  6. Step 6: Final answer
    x = 12,103.75

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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.