Home / 10,007.46-15,018.89-9,493.56

Finding the Fourth Proportional to 10,007.46, 15,018.89 and 9,493.56

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Solution

The fourth proportional to 10,007.46, 15,018.89 and 9,493.56 is: 14,247.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,007.46 : 15,018.89 = 9,493.56 : x
  2. Step 2: Convert to fraction form
    10,007.46/15,018.89 = 9,493.56/x
  3. Step 3: Cross multiply
    10,007.46x = 15,018.89 × 9,493.56
  4. Step 4: Simplify right side
    10,007.46x = 142,582,685.88
  5. Step 5: Solve for x
    x = 142,582,685.88/10,007.46
  6. Step 6: Final answer
    x = 14,247.64

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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.