Home / 14,742.29-20,340.99-8,367.32

Finding the Fourth Proportional to 14,742.29, 20,340.99 and 8,367.32

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Solution

The fourth proportional to 14,742.29, 20,340.99 and 8,367.32 is: 11,544.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,742.29 : 20,340.99 = 8,367.32 : x
  2. Step 2: Convert to fraction form
    14,742.29/20,340.99 = 8,367.32/x
  3. Step 3: Cross multiply
    14,742.29x = 20,340.99 × 8,367.32
  4. Step 4: Simplify right side
    14,742.29x = 170,199,623.30
  5. Step 5: Solve for x
    x = 170,199,623.30/14,742.29
  6. Step 6: Final answer
    x = 11,544.99

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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.