Home / 10,007.55-15,011.63-3,433.64

Finding the Fourth Proportional to 10,007.55, 15,011.63 and 3,433.64

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Solution

The fourth proportional to 10,007.55, 15,011.63 and 3,433.64 is: 5,150.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,007.55 : 15,011.63 = 3,433.64 : x
  2. Step 2: Convert to fraction form
    10,007.55/15,011.63 = 3,433.64/x
  3. Step 3: Cross multiply
    10,007.55x = 15,011.63 × 3,433.64
  4. Step 4: Simplify right side
    10,007.55x = 51,544,441.01
  5. Step 5: Solve for x
    x = 51,544,441.01/10,007.55
  6. Step 6: Final answer
    x = 5,150.56

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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.