Home / 21,317.58-31,976.99-6,526.17

Finding the Fourth Proportional to 21,317.58, 31,976.99 and 6,526.17

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Solution

The fourth proportional to 21,317.58, 31,976.99 and 6,526.17 is: 9,789.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,317.58 : 31,976.99 = 6,526.17 : x
  2. Step 2: Convert to fraction form
    21,317.58/31,976.99 = 6,526.17/x
  3. Step 3: Cross multiply
    21,317.58x = 31,976.99 × 6,526.17
  4. Step 4: Simplify right side
    21,317.58x = 208,687,240.20
  5. Step 5: Solve for x
    x = 208,687,240.20/21,317.58
  6. Step 6: Final answer
    x = 9,789.44

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1.5x scale

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.