Home / 18,209.61-25,129.32-10,251.96

Finding the Fourth Proportional to 18,209.61, 25,129.32 and 10,251.96

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Solution

The fourth proportional to 18,209.61, 25,129.32 and 10,251.96 is: 14,147.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209.61 : 25,129.32 = 10,251.96 : x
  2. Step 2: Convert to fraction form
    18,209.61/25,129.32 = 10,251.96/x
  3. Step 3: Cross multiply
    18,209.61x = 25,129.32 × 10,251.96
  4. Step 4: Simplify right side
    18,209.61x = 257,624,783.47
  5. Step 5: Solve for x
    x = 257,624,783.47/18,209.61
  6. Step 6: Final answer
    x = 14,147.74

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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.