Home / 14,224.12-21,335.98-6,427.48

Finding the Fourth Proportional to 14,224.12, 21,335.98 and 6,427.48

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Solution

The fourth proportional to 14,224.12, 21,335.98 and 6,427.48 is: 9,641.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,224.12 : 21,335.98 = 6,427.48 : x
  2. Step 2: Convert to fraction form
    14,224.12/21,335.98 = 6,427.48/x
  3. Step 3: Cross multiply
    14,224.12x = 21,335.98 × 6,427.48
  4. Step 4: Simplify right side
    14,224.12x = 137,136,584.73
  5. Step 5: Solve for x
    x = 137,136,584.73/14,224.12
  6. Step 6: Final answer
    x = 9,641.13

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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.