Home / 13,117.20-19,679.04-4,796.88

Finding the Fourth Proportional to 13,117.20, 19,679.04 and 4,796.88

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Solution

The fourth proportional to 13,117.20, 19,679.04 and 4,796.88 is: 7,196.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117.20 : 19,679.04 = 4,796.88 : x
  2. Step 2: Convert to fraction form
    13,117.20/19,679.04 = 4,796.88/x
  3. Step 3: Cross multiply
    13,117.20x = 19,679.04 × 4,796.88
  4. Step 4: Simplify right side
    13,117.20x = 94,397,993.40
  5. Step 5: Solve for x
    x = 94,397,993.40/13,117.20
  6. Step 6: Final answer
    x = 7,196.50

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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.