Home / 14,321.43-19,759.54-9,285.86

Finding the Fourth Proportional to 14,321.43, 19,759.54 and 9,285.86

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Solution

The fourth proportional to 14,321.43, 19,759.54 and 9,285.86 is: 12,811.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,321.43 : 19,759.54 = 9,285.86 : x
  2. Step 2: Convert to fraction form
    14,321.43/19,759.54 = 9,285.86/x
  3. Step 3: Cross multiply
    14,321.43x = 19,759.54 × 9,285.86
  4. Step 4: Simplify right side
    14,321.43x = 183,484,275.68
  5. Step 5: Solve for x
    x = 183,484,275.68/14,321.43
  6. Step 6: Final answer
    x = 12,811.87

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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.