Home / 15,704.10-23,555.52-5,315.85

Finding the Fourth Proportional to 15,704.10, 23,555.52 and 5,315.85

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Solution

The fourth proportional to 15,704.10, 23,555.52 and 5,315.85 is: 7,973.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,704.10 : 23,555.52 = 5,315.85 : x
  2. Step 2: Convert to fraction form
    15,704.10/23,555.52 = 5,315.85/x
  3. Step 3: Cross multiply
    15,704.10x = 23,555.52 × 5,315.85
  4. Step 4: Simplify right side
    15,704.10x = 125,217,610.99
  5. Step 5: Solve for x
    x = 125,217,610.99/15,704.10
  6. Step 6: Final answer
    x = 7,973.56

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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.