Home / 18,956.61-26,157.60-10,997.69

Finding the Fourth Proportional to 18,956.61, 26,157.60 and 10,997.69

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Solution

The fourth proportional to 18,956.61, 26,157.60 and 10,997.69 is: 15,175.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,956.61 : 26,157.60 = 10,997.69 : x
  2. Step 2: Convert to fraction form
    18,956.61/26,157.60 = 10,997.69/x
  3. Step 3: Cross multiply
    18,956.61x = 26,157.60 × 10,997.69
  4. Step 4: Simplify right side
    18,956.61x = 287,673,045.16
  5. Step 5: Solve for x
    x = 287,673,045.16/18,956.61
  6. Step 6: Final answer
    x = 15,175.34

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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.