Home / 10,883.21-15,018.54-6,167.48

Finding the Fourth Proportional to 10,883.21, 15,018.54 and 6,167.48

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Solution

The fourth proportional to 10,883.21, 15,018.54 and 6,167.48 is: 8,510.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,883.21 : 15,018.54 = 6,167.48 : x
  2. Step 2: Convert to fraction form
    10,883.21/15,018.54 = 6,167.48/x
  3. Step 3: Cross multiply
    10,883.21x = 15,018.54 × 6,167.48
  4. Step 4: Simplify right side
    10,883.21x = 92,626,545.08
  5. Step 5: Solve for x
    x = 92,626,545.08/10,883.21
  6. Step 6: Final answer
    x = 8,510.96

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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.