Home / 16,803.64-25,209.78-6,409.72

Finding the Fourth Proportional to 16,803.64, 25,209.78 and 6,409.72

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Solution

The fourth proportional to 16,803.64, 25,209.78 and 6,409.72 is: 9,616.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,803.64 : 25,209.78 = 6,409.72 : x
  2. Step 2: Convert to fraction form
    16,803.64/25,209.78 = 6,409.72/x
  3. Step 3: Cross multiply
    16,803.64x = 25,209.78 × 6,409.72
  4. Step 4: Simplify right side
    16,803.64x = 161,587,631.06
  5. Step 5: Solve for x
    x = 161,587,631.06/16,803.64
  6. Step 6: Final answer
    x = 9,616.23

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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.