Home / 14,169.12-21,224.40-8,308.08

Finding the Fourth Proportional to 14,169.12, 21,224.40 and 8,308.08

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Solution

The fourth proportional to 14,169.12, 21,224.40 and 8,308.08 is: 12,444.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169.12 : 21,224.40 = 8,308.08 : x
  2. Step 2: Convert to fraction form
    14,169.12/21,224.40 = 8,308.08/x
  3. Step 3: Cross multiply
    14,169.12x = 21,224.40 × 8,308.08
  4. Step 4: Simplify right side
    14,169.12x = 176,334,013.15
  5. Step 5: Solve for x
    x = 176,334,013.15/14,169.12
  6. Step 6: Final answer
    x = 12,444.95

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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.