Home / 15,806.72-23,711.45-4,119.94

Finding the Fourth Proportional to 15,806.72, 23,711.45 and 4,119.94

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Solution

The fourth proportional to 15,806.72, 23,711.45 and 4,119.94 is: 6,180.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,806.72 : 23,711.45 = 4,119.94 : x
  2. Step 2: Convert to fraction form
    15,806.72/23,711.45 = 4,119.94/x
  3. Step 3: Cross multiply
    15,806.72x = 23,711.45 × 4,119.94
  4. Step 4: Simplify right side
    15,806.72x = 97,689,671.43
  5. Step 5: Solve for x
    x = 97,689,671.43/15,806.72
  6. Step 6: Final answer
    x = 6,180.26

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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.