Home / 14,705.32-20,293.02-7,990.88

Finding the Fourth Proportional to 14,705.32, 20,293.02 and 7,990.88

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Solution

The fourth proportional to 14,705.32, 20,293.02 and 7,990.88 is: 11,027.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,705.32 : 20,293.02 = 7,990.88 : x
  2. Step 2: Convert to fraction form
    14,705.32/20,293.02 = 7,990.88/x
  3. Step 3: Cross multiply
    14,705.32x = 20,293.02 × 7,990.88
  4. Step 4: Simplify right side
    14,705.32x = 162,159,087.66
  5. Step 5: Solve for x
    x = 162,159,087.66/14,705.32
  6. Step 6: Final answer
    x = 11,027.24

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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.