Home / 14,782.32-20,403.72-8,496.72

Finding the Fourth Proportional to 14,782.32, 20,403.72 and 8,496.72

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Solution

The fourth proportional to 14,782.32, 20,403.72 and 8,496.72 is: 11,727.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,782.32 : 20,403.72 = 8,496.72 : x
  2. Step 2: Convert to fraction form
    14,782.32/20,403.72 = 8,496.72/x
  3. Step 3: Cross multiply
    14,782.32x = 20,403.72 × 8,496.72
  4. Step 4: Simplify right side
    14,782.32x = 173,364,695.80
  5. Step 5: Solve for x
    x = 173,364,695.80/14,782.32
  6. Step 6: Final answer
    x = 11,727.84

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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.