Home / 9,104.96-13,672.80-8,637.32

Finding the Fourth Proportional to 9,104.96, 13,672.80 and 8,637.32

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Solution

The fourth proportional to 9,104.96, 13,672.80 and 8,637.32 is: 12,970.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,104.96 : 13,672.80 = 8,637.32 : x
  2. Step 2: Convert to fraction form
    9,104.96/13,672.80 = 8,637.32/x
  3. Step 3: Cross multiply
    9,104.96x = 13,672.80 × 8,637.32
  4. Step 4: Simplify right side
    9,104.96x = 118,096,348.90
  5. Step 5: Solve for x
    x = 118,096,348.90/9,104.96
  6. Step 6: Final answer
    x = 12,970.55

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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.