Home / 15,848.62-21,887.44-13,713.90

Finding the Fourth Proportional to 15,848.62, 21,887.44 and 13,713.90

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Solution

The fourth proportional to 15,848.62, 21,887.44 and 13,713.90 is: 18,939.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,848.62 : 21,887.44 = 13,713.90 : x
  2. Step 2: Convert to fraction form
    15,848.62/21,887.44 = 13,713.90/x
  3. Step 3: Cross multiply
    15,848.62x = 21,887.44 × 13,713.90
  4. Step 4: Simplify right side
    15,848.62x = 300,162,094.85
  5. Step 5: Solve for x
    x = 300,162,094.85/15,848.62
  6. Step 6: Final answer
    x = 18,939.32

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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.