Home / 8,445.17-12,667.74-2,205.16

Finding the Fourth Proportional to 8,445.17, 12,667.74 and 2,205.16

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Solution

The fourth proportional to 8,445.17, 12,667.74 and 2,205.16 is: 3,307.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.17 : 12,667.74 = 2,205.16 : x
  2. Step 2: Convert to fraction form
    8,445.17/12,667.74 = 2,205.16/x
  3. Step 3: Cross multiply
    8,445.17x = 12,667.74 × 2,205.16
  4. Step 4: Simplify right side
    8,445.17x = 27,934,393.54
  5. Step 5: Solve for x
    x = 27,934,393.54/8,445.17
  6. Step 6: Final answer
    x = 3,307.74

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.