Home / 18,961.10-26,167.13-10,577.60

Finding the Fourth Proportional to 18,961.10, 26,167.13 and 10,577.60

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Solution

The fourth proportional to 18,961.10, 26,167.13 and 10,577.60 is: 14,597.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,961.10 : 26,167.13 = 10,577.60 : x
  2. Step 2: Convert to fraction form
    18,961.10/26,167.13 = 10,577.60/x
  3. Step 3: Cross multiply
    18,961.10x = 26,167.13 × 10,577.60
  4. Step 4: Simplify right side
    18,961.10x = 276,785,434.29
  5. Step 5: Solve for x
    x = 276,785,434.29/18,961.10
  6. Step 6: Final answer
    x = 14,597.54

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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.