Home / 14,162.55-21,224.69-5,392.68

Finding the Fourth Proportional to 14,162.55, 21,224.69 and 5,392.68

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Solution

The fourth proportional to 14,162.55, 21,224.69 and 5,392.68 is: 8,081.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,162.55 : 21,224.69 = 5,392.68 : x
  2. Step 2: Convert to fraction form
    14,162.55/21,224.69 = 5,392.68/x
  3. Step 3: Cross multiply
    14,162.55x = 21,224.69 × 5,392.68
  4. Step 4: Simplify right side
    14,162.55x = 114,458,058.18
  5. Step 5: Solve for x
    x = 114,458,058.18/14,162.55
  6. Step 6: Final answer
    x = 8,081.74

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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.