Home / 20,803.23-28,703.97-11,848.28

Finding the Fourth Proportional to 20,803.23, 28,703.97 and 11,848.28

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Solution

The fourth proportional to 20,803.23, 28,703.97 and 11,848.28 is: 16,348.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,803.23 : 28,703.97 = 11,848.28 : x
  2. Step 2: Convert to fraction form
    20,803.23/28,703.97 = 11,848.28/x
  3. Step 3: Cross multiply
    20,803.23x = 28,703.97 × 11,848.28
  4. Step 4: Simplify right side
    20,803.23x = 340,092,530.15
  5. Step 5: Solve for x
    x = 340,092,530.15/20,803.23
  6. Step 6: Final answer
    x = 16,348.06

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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.