Home / 10,315.55-15,473.32-3,739.57

Finding the Fourth Proportional to 10,315.55, 15,473.32 and 3,739.57

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Solution

The fourth proportional to 10,315.55, 15,473.32 and 3,739.57 is: 5,609.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.55 : 15,473.32 = 3,739.57 : x
  2. Step 2: Convert to fraction form
    10,315.55/15,473.32 = 3,739.57/x
  3. Step 3: Cross multiply
    10,315.55x = 15,473.32 × 3,739.57
  4. Step 4: Simplify right side
    10,315.55x = 57,863,515.24
  5. Step 5: Solve for x
    x = 57,863,515.24/10,315.55
  6. Step 6: Final answer
    x = 5,609.35

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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.