Home / 21,303-31,949.10-6,508.08

Finding the Fourth Proportional to 21,303, 31,949.10 and 6,508.08

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Solution

The fourth proportional to 21,303, 31,949.10 and 6,508.08 is: 9,760.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,303 : 31,949.10 = 6,508.08 : x
  2. Step 2: Convert to fraction form
    21,303/31,949.10 = 6,508.08/x
  3. Step 3: Cross multiply
    21,303x = 31,949.10 × 6,508.08
  4. Step 4: Simplify right side
    21,303x = 207,927,298.73
  5. Step 5: Solve for x
    x = 207,927,298.73/21,303
  6. Step 6: Final answer
    x = 9,760.47

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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.