Home / 21,324.63-31,995.24-8,841.51

Finding the Fourth Proportional to 21,324.63, 31,995.24 and 8,841.51

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Solution

The fourth proportional to 21,324.63, 31,995.24 and 8,841.51 is: 13,265.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,324.63 : 31,995.24 = 8,841.51 : x
  2. Step 2: Convert to fraction form
    21,324.63/31,995.24 = 8,841.51/x
  3. Step 3: Cross multiply
    21,324.63x = 31,995.24 × 8,841.51
  4. Step 4: Simplify right side
    21,324.63x = 282,886,234.41
  5. Step 5: Solve for x
    x = 282,886,234.41/21,324.63
  6. Step 6: Final answer
    x = 13,265.70

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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.