Home / 18,767.72-25,899.18-10,269.64

Finding the Fourth Proportional to 18,767.72, 25,899.18 and 10,269.64

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Solution

The fourth proportional to 18,767.72, 25,899.18 and 10,269.64 is: 14,171.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,767.72 : 25,899.18 = 10,269.64 : x
  2. Step 2: Convert to fraction form
    18,767.72/25,899.18 = 10,269.64/x
  3. Step 3: Cross multiply
    18,767.72x = 25,899.18 × 10,269.64
  4. Step 4: Simplify right side
    18,767.72x = 265,975,254.90
  5. Step 5: Solve for x
    x = 265,975,254.90/18,767.72
  6. Step 6: Final answer
    x = 14,171.95

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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.