Home / 9,997.17-15,004.89-5,070.21

Finding the Fourth Proportional to 9,997.17, 15,004.89 and 5,070.21

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Solution

The fourth proportional to 9,997.17, 15,004.89 and 5,070.21 is: 7,609.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,997.17 : 15,004.89 = 5,070.21 : x
  2. Step 2: Convert to fraction form
    9,997.17/15,004.89 = 5,070.21/x
  3. Step 3: Cross multiply
    9,997.17x = 15,004.89 × 5,070.21
  4. Step 4: Simplify right side
    9,997.17x = 76,077,943.33
  5. Step 5: Solve for x
    x = 76,077,943.33/9,997.17
  6. Step 6: Final answer
    x = 7,609.95

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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.