Home / 13,180.36-19,748.66-9,276.57

Finding the Fourth Proportional to 13,180.36, 19,748.66 and 9,276.57

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Solution

The fourth proportional to 13,180.36, 19,748.66 and 9,276.57 is: 13,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180.36 : 19,748.66 = 9,276.57 : x
  2. Step 2: Convert to fraction form
    13,180.36/19,748.66 = 9,276.57/x
  3. Step 3: Cross multiply
    13,180.36x = 19,748.66 × 9,276.57
  4. Step 4: Simplify right side
    13,180.36x = 183,199,728.15
  5. Step 5: Solve for x
    x = 183,199,728.15/13,180.36
  6. Step 6: Final answer
    x = 13,899.45

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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.