Home / 19,451.13-29,188.02-8,205.75

Finding the Fourth Proportional to 19,451.13, 29,188.02 and 8,205.75

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Solution

The fourth proportional to 19,451.13, 29,188.02 and 8,205.75 is: 12,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,451.13 : 29,188.02 = 8,205.75 : x
  2. Step 2: Convert to fraction form
    19,451.13/29,188.02 = 8,205.75/x
  3. Step 3: Cross multiply
    19,451.13x = 29,188.02 × 8,205.75
  4. Step 4: Simplify right side
    19,451.13x = 239,509,595.12
  5. Step 5: Solve for x
    x = 239,509,595.12/19,451.13
  6. Step 6: Final answer
    x = 12,313.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.