Home / 14,724.48-20,319.68-8,009.99

Finding the Fourth Proportional to 14,724.48, 20,319.68 and 8,009.99

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Solution

The fourth proportional to 14,724.48, 20,319.68 and 8,009.99 is: 11,053.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,724.48 : 20,319.68 = 8,009.99 : x
  2. Step 2: Convert to fraction form
    14,724.48/20,319.68 = 8,009.99/x
  3. Step 3: Cross multiply
    14,724.48x = 20,319.68 × 8,009.99
  4. Step 4: Simplify right side
    14,724.48x = 162,760,291.95
  5. Step 5: Solve for x
    x = 162,760,291.95/14,724.48
  6. Step 6: Final answer
    x = 11,053.72

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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.