Home / 10,657.86-15,986.82-3,730.74

Finding the Fourth Proportional to 10,657.86, 15,986.82 and 3,730.74

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Solution

The fourth proportional to 10,657.86, 15,986.82 and 3,730.74 is: 5,596.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,657.86 : 15,986.82 = 3,730.74 : x
  2. Step 2: Convert to fraction form
    10,657.86/15,986.82 = 3,730.74/x
  3. Step 3: Cross multiply
    10,657.86x = 15,986.82 × 3,730.74
  4. Step 4: Simplify right side
    10,657.86x = 59,642,668.85
  5. Step 5: Solve for x
    x = 59,642,668.85/10,657.86
  6. Step 6: Final answer
    x = 5,596.12

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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.