Home / 16,721.04-25,081.60-6,861.26

Finding the Fourth Proportional to 16,721.04, 25,081.60 and 6,861.26

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Solution

The fourth proportional to 16,721.04, 25,081.60 and 6,861.26 is: 10,291.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.04 : 25,081.60 = 6,861.26 : x
  2. Step 2: Convert to fraction form
    16,721.04/25,081.60 = 6,861.26/x
  3. Step 3: Cross multiply
    16,721.04x = 25,081.60 × 6,861.26
  4. Step 4: Simplify right side
    16,721.04x = 172,091,378.82
  5. Step 5: Solve for x
    x = 172,091,378.82/16,721.04
  6. Step 6: Final answer
    x = 10,291.91

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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.