Home / 11,158.04-15,397.44-6,121.64

Finding the Fourth Proportional to 11,158.04, 15,397.44 and 6,121.64

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Solution

The fourth proportional to 11,158.04, 15,397.44 and 6,121.64 is: 8,447.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,158.04 : 15,397.44 = 6,121.64 : x
  2. Step 2: Convert to fraction form
    11,158.04/15,397.44 = 6,121.64/x
  3. Step 3: Cross multiply
    11,158.04x = 15,397.44 × 6,121.64
  4. Step 4: Simplify right side
    11,158.04x = 94,257,584.60
  5. Step 5: Solve for x
    x = 94,257,584.60/11,158.04
  6. Step 6: Final answer
    x = 8,447.50

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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.