Home / 13,371.66-20,056.65-3,510.72

Finding the Fourth Proportional to 13,371.66, 20,056.65 and 3,510.72

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Solution

The fourth proportional to 13,371.66, 20,056.65 and 3,510.72 is: 5,265.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.66 : 20,056.65 = 3,510.72 : x
  2. Step 2: Convert to fraction form
    13,371.66/20,056.65 = 3,510.72/x
  3. Step 3: Cross multiply
    13,371.66x = 20,056.65 × 3,510.72
  4. Step 4: Simplify right side
    13,371.66x = 70,413,282.29
  5. Step 5: Solve for x
    x = 70,413,282.29/13,371.66
  6. Step 6: Final answer
    x = 5,265.86

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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.