Home / 16,810.86-25,212.24-7,445.70

Finding the Fourth Proportional to 16,810.86, 25,212.24 and 7,445.70

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Solution

The fourth proportional to 16,810.86, 25,212.24 and 7,445.70 is: 11,166.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,810.86 : 25,212.24 = 7,445.70 : x
  2. Step 2: Convert to fraction form
    16,810.86/25,212.24 = 7,445.70/x
  3. Step 3: Cross multiply
    16,810.86x = 25,212.24 × 7,445.70
  4. Step 4: Simplify right side
    16,810.86x = 187,722,775.37
  5. Step 5: Solve for x
    x = 187,722,775.37/16,810.86
  6. Step 6: Final answer
    x = 11,166.76

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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.