Home / 14,935.60-20,612.07-8,222.71

Finding the Fourth Proportional to 14,935.60, 20,612.07 and 8,222.71

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Solution

The fourth proportional to 14,935.60, 20,612.07 and 8,222.71 is: 11,347.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,935.60 : 20,612.07 = 8,222.71 : x
  2. Step 2: Convert to fraction form
    14,935.60/20,612.07 = 8,222.71/x
  3. Step 3: Cross multiply
    14,935.60x = 20,612.07 × 8,222.71
  4. Step 4: Simplify right side
    14,935.60x = 169,487,074.11
  5. Step 5: Solve for x
    x = 169,487,074.11/14,935.60
  6. Step 6: Final answer
    x = 11,347.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.