Home / 15,627.31-21,595.24-11,843.69

Finding the Fourth Proportional to 15,627.31, 21,595.24 and 11,843.69

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Solution

The fourth proportional to 15,627.31, 21,595.24 and 11,843.69 is: 16,366.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,627.31 : 21,595.24 = 11,843.69 : x
  2. Step 2: Convert to fraction form
    15,627.31/21,595.24 = 11,843.69/x
  3. Step 3: Cross multiply
    15,627.31x = 21,595.24 × 11,843.69
  4. Step 4: Simplify right side
    15,627.31x = 255,767,328.04
  5. Step 5: Solve for x
    x = 255,767,328.04/15,627.31
  6. Step 6: Final answer
    x = 16,366.69

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Double scale
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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.