Home / 11,143.71-16,715.40-2,710.29

Finding the Fourth Proportional to 11,143.71, 16,715.40 and 2,710.29

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Solution

The fourth proportional to 11,143.71, 16,715.40 and 2,710.29 is: 4,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,143.71 : 16,715.40 = 2,710.29 : x
  2. Step 2: Convert to fraction form
    11,143.71/16,715.40 = 2,710.29/x
  3. Step 3: Cross multiply
    11,143.71x = 16,715.40 × 2,710.29
  4. Step 4: Simplify right side
    11,143.71x = 45,303,633.99
  5. Step 5: Solve for x
    x = 45,303,633.99/11,143.71
  6. Step 6: Final answer
    x = 4,065.40

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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.