Home / 16,869.28-25,278-6,475.36

Finding the Fourth Proportional to 16,869.28, 25,278 and 6,475.36

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Solution

The fourth proportional to 16,869.28, 25,278 and 6,475.36 is: 9,703.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,869.28 : 25,278 = 6,475.36 : x
  2. Step 2: Convert to fraction form
    16,869.28/25,278 = 6,475.36/x
  3. Step 3: Cross multiply
    16,869.28x = 25,278 × 6,475.36
  4. Step 4: Simplify right side
    16,869.28x = 163,684,150.08
  5. Step 5: Solve for x
    x = 163,684,150.08/16,869.28
  6. Step 6: Final answer
    x = 9,703.09

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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.