Home / 9,388.04-12,955.66-5,196.20

Finding the Fourth Proportional to 9,388.04, 12,955.66 and 5,196.20

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Solution

The fourth proportional to 9,388.04, 12,955.66 and 5,196.20 is: 7,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,388.04 : 12,955.66 = 5,196.20 : x
  2. Step 2: Convert to fraction form
    9,388.04/12,955.66 = 5,196.20/x
  3. Step 3: Cross multiply
    9,388.04x = 12,955.66 × 5,196.20
  4. Step 4: Simplify right side
    9,388.04x = 67,320,200.49
  5. Step 5: Solve for x
    x = 67,320,200.49/9,388.04
  6. Step 6: Final answer
    x = 7,170.85

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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.