Home / 15,341.03-21,172.50-8,626.94

Finding the Fourth Proportional to 15,341.03, 21,172.50 and 8,626.94

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Solution

The fourth proportional to 15,341.03, 21,172.50 and 8,626.94 is: 11,906.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,341.03 : 21,172.50 = 8,626.94 : x
  2. Step 2: Convert to fraction form
    15,341.03/21,172.50 = 8,626.94/x
  3. Step 3: Cross multiply
    15,341.03x = 21,172.50 × 8,626.94
  4. Step 4: Simplify right side
    15,341.03x = 182,653,887.15
  5. Step 5: Solve for x
    x = 182,653,887.15/15,341.03
  6. Step 6: Final answer
    x = 11,906.23

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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.