Home / 21,999.32-30,356.34-14,046.20

Finding the Fourth Proportional to 21,999.32, 30,356.34 and 14,046.20

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Solution

The fourth proportional to 21,999.32, 30,356.34 and 14,046.20 is: 19,382.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,999.32 : 30,356.34 = 14,046.20 : x
  2. Step 2: Convert to fraction form
    21,999.32/30,356.34 = 14,046.20/x
  3. Step 3: Cross multiply
    21,999.32x = 30,356.34 × 14,046.20
  4. Step 4: Simplify right side
    21,999.32x = 426,391,222.91
  5. Step 5: Solve for x
    x = 426,391,222.91/21,999.32
  6. Step 6: Final answer
    x = 19,382.02

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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.