Home / 14,257.62-21,387.63-5,254.19

Finding the Fourth Proportional to 14,257.62, 21,387.63 and 5,254.19

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Solution

The fourth proportional to 14,257.62, 21,387.63 and 5,254.19 is: 7,881.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257.62 : 21,387.63 = 5,254.19 : x
  2. Step 2: Convert to fraction form
    14,257.62/21,387.63 = 5,254.19/x
  3. Step 3: Cross multiply
    14,257.62x = 21,387.63 × 5,254.19
  4. Step 4: Simplify right side
    14,257.62x = 112,374,671.67
  5. Step 5: Solve for x
    x = 112,374,671.67/14,257.62
  6. Step 6: Final answer
    x = 7,881.73

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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.