Home / 18,715.32-25,827.48-10,331.82

Finding the Fourth Proportional to 18,715.32, 25,827.48 and 10,331.82

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Solution

The fourth proportional to 18,715.32, 25,827.48 and 10,331.82 is: 14,258.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715.32 : 25,827.48 = 10,331.82 : x
  2. Step 2: Convert to fraction form
    18,715.32/25,827.48 = 10,331.82/x
  3. Step 3: Cross multiply
    18,715.32x = 25,827.48 × 10,331.82
  4. Step 4: Simplify right side
    18,715.32x = 266,844,874.41
  5. Step 5: Solve for x
    x = 266,844,874.41/18,715.32
  6. Step 6: Final answer
    x = 14,258.10

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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.