Home / 18,822.32-25,975-10,439.36

Finding the Fourth Proportional to 18,822.32, 25,975 and 10,439.36

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Solution

The fourth proportional to 18,822.32, 25,975 and 10,439.36 is: 14,406.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,822.32 : 25,975 = 10,439.36 : x
  2. Step 2: Convert to fraction form
    18,822.32/25,975 = 10,439.36/x
  3. Step 3: Cross multiply
    18,822.32x = 25,975 × 10,439.36
  4. Step 4: Simplify right side
    18,822.32x = 271,162,376
  5. Step 5: Solve for x
    x = 271,162,376/18,822.32
  6. Step 6: Final answer
    x = 14,406.43

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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.