Home / 14,314.24-19,756.16-8,728.32

Finding the Fourth Proportional to 14,314.24, 19,756.16 and 8,728.32

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Solution

The fourth proportional to 14,314.24, 19,756.16 and 8,728.32 is: 12,046.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,314.24 : 19,756.16 = 8,728.32 : x
  2. Step 2: Convert to fraction form
    14,314.24/19,756.16 = 8,728.32/x
  3. Step 3: Cross multiply
    14,314.24x = 19,756.16 × 8,728.32
  4. Step 4: Simplify right side
    14,314.24x = 172,438,086.45
  5. Step 5: Solve for x
    x = 172,438,086.45/14,314.24
  6. Step 6: Final answer
    x = 12,046.61

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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.