Home / 14,934.56-20,605.12-8,645.72

Finding the Fourth Proportional to 14,934.56, 20,605.12 and 8,645.72

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Solution

The fourth proportional to 14,934.56, 20,605.12 and 8,645.72 is: 11,928.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,934.56 : 20,605.12 = 8,645.72 : x
  2. Step 2: Convert to fraction form
    14,934.56/20,605.12 = 8,645.72/x
  3. Step 3: Cross multiply
    14,934.56x = 20,605.12 × 8,645.72
  4. Step 4: Simplify right side
    14,934.56x = 178,145,973.45
  5. Step 5: Solve for x
    x = 178,145,973.45/14,934.56
  6. Step 6: Final answer
    x = 11,928.44

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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.