Home / 10,552.30-15,831.62-3,157

Finding the Fourth Proportional to 10,552.30, 15,831.62 and 3,157

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Solution

The fourth proportional to 10,552.30, 15,831.62 and 3,157 is: 4,736.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,552.30 : 15,831.62 = 3,157 : x
  2. Step 2: Convert to fraction form
    10,552.30/15,831.62 = 3,157/x
  3. Step 3: Cross multiply
    10,552.30x = 15,831.62 × 3,157
  4. Step 4: Simplify right side
    10,552.30x = 49,980,424.34
  5. Step 5: Solve for x
    x = 49,980,424.34/10,552.30
  6. Step 6: Final answer
    x = 4,736.45

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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.