Home / 18,845.10-26,002.26-10,885.20

Finding the Fourth Proportional to 18,845.10, 26,002.26 and 10,885.20

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Solution

The fourth proportional to 18,845.10, 26,002.26 and 10,885.20 is: 15,019.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,845.10 : 26,002.26 = 10,885.20 : x
  2. Step 2: Convert to fraction form
    18,845.10/26,002.26 = 10,885.20/x
  3. Step 3: Cross multiply
    18,845.10x = 26,002.26 × 10,885.20
  4. Step 4: Simplify right side
    18,845.10x = 283,039,800.55
  5. Step 5: Solve for x
    x = 283,039,800.55/18,845.10
  6. Step 6: Final answer
    x = 15,019.28

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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.