Home / 15,354.92-21,165.09-11,468.05

Finding the Fourth Proportional to 15,354.92, 21,165.09 and 11,468.05

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Solution

The fourth proportional to 15,354.92, 21,165.09 and 11,468.05 is: 15,807.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,354.92 : 21,165.09 = 11,468.05 : x
  2. Step 2: Convert to fraction form
    15,354.92/21,165.09 = 11,468.05/x
  3. Step 3: Cross multiply
    15,354.92x = 21,165.09 × 11,468.05
  4. Step 4: Simplify right side
    15,354.92x = 242,722,310.37
  5. Step 5: Solve for x
    x = 242,722,310.37/15,354.92
  6. Step 6: Final answer
    x = 15,807.46

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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.