Home / 14,724.31-20,319.34-8,009.79

Finding the Fourth Proportional to 14,724.31, 20,319.34 and 8,009.79

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Solution

The fourth proportional to 14,724.31, 20,319.34 and 8,009.79 is: 11,053.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,724.31 : 20,319.34 = 8,009.79 : x
  2. Step 2: Convert to fraction form
    14,724.31/20,319.34 = 8,009.79/x
  3. Step 3: Cross multiply
    14,724.31x = 20,319.34 × 8,009.79
  4. Step 4: Simplify right side
    14,724.31x = 162,753,646.34
  5. Step 5: Solve for x
    x = 162,753,646.34/14,724.31
  6. Step 6: Final answer
    x = 11,053.40

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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.