Home / 40,997.17-61,495.80-11,415.07

Finding the Fourth Proportional to 40,997.17, 61,495.80 and 11,415.07

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Solution

The fourth proportional to 40,997.17, 61,495.80 and 11,415.07 is: 17,122.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,997.17 : 61,495.80 = 11,415.07 : x
  2. Step 2: Convert to fraction form
    40,997.17/61,495.80 = 11,415.07/x
  3. Step 3: Cross multiply
    40,997.17x = 61,495.80 × 11,415.07
  4. Step 4: Simplify right side
    40,997.17x = 701,978,861.71
  5. Step 5: Solve for x
    x = 701,978,861.71/40,997.17
  6. Step 6: Final answer
    x = 17,122.62

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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.