Home / 11,342.22-15,651.08-6,305.64

Finding the Fourth Proportional to 11,342.22, 15,651.08 and 6,305.64

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Solution

The fourth proportional to 11,342.22, 15,651.08 and 6,305.64 is: 8,701.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342.22 : 15,651.08 = 6,305.64 : x
  2. Step 2: Convert to fraction form
    11,342.22/15,651.08 = 6,305.64/x
  3. Step 3: Cross multiply
    11,342.22x = 15,651.08 × 6,305.64
  4. Step 4: Simplify right side
    11,342.22x = 98,689,966.31
  5. Step 5: Solve for x
    x = 98,689,966.31/11,342.22
  6. Step 6: Final answer
    x = 8,701.11

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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.