Home / 14,581.32-20,103.84-9,537.56

Finding the Fourth Proportional to 14,581.32, 20,103.84 and 9,537.56

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Solution

The fourth proportional to 14,581.32, 20,103.84 and 9,537.56 is: 13,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,581.32 : 20,103.84 = 9,537.56 : x
  2. Step 2: Convert to fraction form
    14,581.32/20,103.84 = 9,537.56/x
  3. Step 3: Cross multiply
    14,581.32x = 20,103.84 × 9,537.56
  4. Step 4: Simplify right side
    14,581.32x = 191,741,479.71
  5. Step 5: Solve for x
    x = 191,741,479.71/14,581.32
  6. Step 6: Final answer
    x = 13,149.80

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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.