Home / 16,721.75-25,085.06-8,926.31

Finding the Fourth Proportional to 16,721.75, 25,085.06 and 8,926.31

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Solution

The fourth proportional to 16,721.75, 25,085.06 and 8,926.31 is: 13,390.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.75 : 25,085.06 = 8,926.31 : x
  2. Step 2: Convert to fraction form
    16,721.75/25,085.06 = 8,926.31/x
  3. Step 3: Cross multiply
    16,721.75x = 25,085.06 × 8,926.31
  4. Step 4: Simplify right side
    16,721.75x = 223,916,851.87
  5. Step 5: Solve for x
    x = 223,916,851.87/16,721.75
  6. Step 6: Final answer
    x = 13,390.76

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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.