Home / 15,110.22-20,850.98-8,395.50

Finding the Fourth Proportional to 15,110.22, 20,850.98 and 8,395.50

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Solution

The fourth proportional to 15,110.22, 20,850.98 and 8,395.50 is: 11,585.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,110.22 : 20,850.98 = 8,395.50 : x
  2. Step 2: Convert to fraction form
    15,110.22/20,850.98 = 8,395.50/x
  3. Step 3: Cross multiply
    15,110.22x = 20,850.98 × 8,395.50
  4. Step 4: Simplify right side
    15,110.22x = 175,054,402.59
  5. Step 5: Solve for x
    x = 175,054,402.59/15,110.22
  6. Step 6: Final answer
    x = 11,585.17

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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.