Home / 16,897.84-25,345.34-5,211.16

Finding the Fourth Proportional to 16,897.84, 25,345.34 and 5,211.16

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Solution

The fourth proportional to 16,897.84, 25,345.34 and 5,211.16 is: 7,816.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,897.84 : 25,345.34 = 5,211.16 : x
  2. Step 2: Convert to fraction form
    16,897.84/25,345.34 = 5,211.16/x
  3. Step 3: Cross multiply
    16,897.84x = 25,345.34 × 5,211.16
  4. Step 4: Simplify right side
    16,897.84x = 132,078,621.99
  5. Step 5: Solve for x
    x = 132,078,621.99/16,897.84
  6. Step 6: Final answer
    x = 7,816.30

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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.