Home / 15,536.07-21,450.83-9,569.61

Finding the Fourth Proportional to 15,536.07, 21,450.83 and 9,569.61

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Solution

The fourth proportional to 15,536.07, 21,450.83 and 9,569.61 is: 13,212.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,536.07 : 21,450.83 = 9,569.61 : x
  2. Step 2: Convert to fraction form
    15,536.07/21,450.83 = 9,569.61/x
  3. Step 3: Cross multiply
    15,536.07x = 21,450.83 × 9,569.61
  4. Step 4: Simplify right side
    15,536.07x = 205,276,029.43
  5. Step 5: Solve for x
    x = 205,276,029.43/15,536.07
  6. Step 6: Final answer
    x = 13,212.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.