Home / 19,997.24-29,997.59-5,206.16

Finding the Fourth Proportional to 19,997.24, 29,997.59 and 5,206.16

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Solution

The fourth proportional to 19,997.24, 29,997.59 and 5,206.16 is: 7,809.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,997.24 : 29,997.59 = 5,206.16 : x
  2. Step 2: Convert to fraction form
    19,997.24/29,997.59 = 5,206.16/x
  3. Step 3: Cross multiply
    19,997.24x = 29,997.59 × 5,206.16
  4. Step 4: Simplify right side
    19,997.24x = 156,172,302.12
  5. Step 5: Solve for x
    x = 156,172,302.12/19,997.24
  6. Step 6: Final answer
    x = 7,809.69

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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.