Home / 10,151.47-13,997.62-6,561.70

Finding the Fourth Proportional to 10,151.47, 13,997.62 and 6,561.70

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Solution

The fourth proportional to 10,151.47, 13,997.62 and 6,561.70 is: 9,047.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,151.47 : 13,997.62 = 6,561.70 : x
  2. Step 2: Convert to fraction form
    10,151.47/13,997.62 = 6,561.70/x
  3. Step 3: Cross multiply
    10,151.47x = 13,997.62 × 6,561.70
  4. Step 4: Simplify right side
    10,151.47x = 91,848,183.15
  5. Step 5: Solve for x
    x = 91,848,183.15/10,151.47
  6. Step 6: Final answer
    x = 9,047.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.