Home / 15,296.52-21,110.64-8,922.62

Finding the Fourth Proportional to 15,296.52, 21,110.64 and 8,922.62

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Solution

The fourth proportional to 15,296.52, 21,110.64 and 8,922.62 is: 12,314.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,296.52 : 21,110.64 = 8,922.62 : x
  2. Step 2: Convert to fraction form
    15,296.52/21,110.64 = 8,922.62/x
  3. Step 3: Cross multiply
    15,296.52x = 21,110.64 × 8,922.62
  4. Step 4: Simplify right side
    15,296.52x = 188,362,113.12
  5. Step 5: Solve for x
    x = 188,362,113.12/15,296.52
  6. Step 6: Final answer
    x = 12,314.05

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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.