Home / 16,895.16-25,343.10-5,208.36

Finding the Fourth Proportional to 16,895.16, 25,343.10 and 5,208.36

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Solution

The fourth proportional to 16,895.16, 25,343.10 and 5,208.36 is: 7,812.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,895.16 : 25,343.10 = 5,208.36 : x
  2. Step 2: Convert to fraction form
    16,895.16/25,343.10 = 5,208.36/x
  3. Step 3: Cross multiply
    16,895.16x = 25,343.10 × 5,208.36
  4. Step 4: Simplify right side
    16,895.16x = 131,995,988.32
  5. Step 5: Solve for x
    x = 131,995,988.32/16,895.16
  6. Step 6: Final answer
    x = 7,812.65

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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.