Home / 13,094.40-18,067.11-7,717.06

Finding the Fourth Proportional to 13,094.40, 18,067.11 and 7,717.06

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Solution

The fourth proportional to 13,094.40, 18,067.11 and 7,717.06 is: 10,647.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,094.40 : 18,067.11 = 7,717.06 : x
  2. Step 2: Convert to fraction form
    13,094.40/18,067.11 = 7,717.06/x
  3. Step 3: Cross multiply
    13,094.40x = 18,067.11 × 7,717.06
  4. Step 4: Simplify right side
    13,094.40x = 139,424,971.90
  5. Step 5: Solve for x
    x = 139,424,971.90/13,094.40
  6. Step 6: Final answer
    x = 10,647.68

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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.