Home / 13,898.38-19,179.58-7,610.76

Finding the Fourth Proportional to 13,898.38, 19,179.58 and 7,610.76

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Solution

The fourth proportional to 13,898.38, 19,179.58 and 7,610.76 is: 10,502.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898.38 : 19,179.58 = 7,610.76 : x
  2. Step 2: Convert to fraction form
    13,898.38/19,179.58 = 7,610.76/x
  3. Step 3: Cross multiply
    13,898.38x = 19,179.58 × 7,610.76
  4. Step 4: Simplify right side
    13,898.38x = 145,971,180.28
  5. Step 5: Solve for x
    x = 145,971,180.28/13,898.38
  6. Step 6: Final answer
    x = 10,502.75

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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.