Home / 10,618.43-15,885.73-9,371.84

Finding the Fourth Proportional to 10,618.43, 15,885.73 and 9,371.84

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Solution

The fourth proportional to 10,618.43, 15,885.73 and 9,371.84 is: 14,020.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618.43 : 15,885.73 = 9,371.84 : x
  2. Step 2: Convert to fraction form
    10,618.43/15,885.73 = 9,371.84/x
  3. Step 3: Cross multiply
    10,618.43x = 15,885.73 × 9,371.84
  4. Step 4: Simplify right side
    10,618.43x = 148,878,472.98
  5. Step 5: Solve for x
    x = 148,878,472.98/10,618.43
  6. Step 6: Final answer
    x = 14,020.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.