Home / 14,497.20-20,007.79-8,125.51

Finding the Fourth Proportional to 14,497.20, 20,007.79 and 8,125.51

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Solution

The fourth proportional to 14,497.20, 20,007.79 and 8,125.51 is: 11,214.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,497.20 : 20,007.79 = 8,125.51 : x
  2. Step 2: Convert to fraction form
    14,497.20/20,007.79 = 8,125.51/x
  3. Step 3: Cross multiply
    14,497.20x = 20,007.79 × 8,125.51
  4. Step 4: Simplify right side
    14,497.20x = 162,573,497.72
  5. Step 5: Solve for x
    x = 162,573,497.72/14,497.20
  6. Step 6: Final answer
    x = 11,214.13

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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.