Home / 14,272.49-21,408.75-4,411.55

Finding the Fourth Proportional to 14,272.49, 21,408.75 and 4,411.55

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Solution

The fourth proportional to 14,272.49, 21,408.75 and 4,411.55 is: 6,617.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.49 : 21,408.75 = 4,411.55 : x
  2. Step 2: Convert to fraction form
    14,272.49/21,408.75 = 4,411.55/x
  3. Step 3: Cross multiply
    14,272.49x = 21,408.75 × 4,411.55
  4. Step 4: Simplify right side
    14,272.49x = 94,445,824.58
  5. Step 5: Solve for x
    x = 94,445,824.58/14,272.49
  6. Step 6: Final answer
    x = 6,617.33

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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.