Home / 14,342.39-21,513.59-4,481.72

Finding the Fourth Proportional to 14,342.39, 21,513.59 and 4,481.72

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Solution

The fourth proportional to 14,342.39, 21,513.59 and 4,481.72 is: 6,722.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.39 : 21,513.59 = 4,481.72 : x
  2. Step 2: Convert to fraction form
    14,342.39/21,513.59 = 4,481.72/x
  3. Step 3: Cross multiply
    14,342.39x = 21,513.59 × 4,481.72
  4. Step 4: Simplify right side
    14,342.39x = 96,417,756.60
  5. Step 5: Solve for x
    x = 96,417,756.60/14,342.39
  6. Step 6: Final answer
    x = 6,722.57

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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.