Home / 25,663.89-38,497.22-8,135.09

Finding the Fourth Proportional to 25,663.89, 38,497.22 and 8,135.09

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Solution

The fourth proportional to 25,663.89, 38,497.22 and 8,135.09 is: 12,203.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,663.89 : 38,497.22 = 8,135.09 : x
  2. Step 2: Convert to fraction form
    25,663.89/38,497.22 = 8,135.09/x
  3. Step 3: Cross multiply
    25,663.89x = 38,497.22 × 8,135.09
  4. Step 4: Simplify right side
    25,663.89x = 313,178,116.29
  5. Step 5: Solve for x
    x = 313,178,116.29/25,663.89
  6. Step 6: Final answer
    x = 12,203.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.