Home / 10,554.16-15,831.21-3,158.62

Finding the Fourth Proportional to 10,554.16, 15,831.21 and 3,158.62

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Solution

The fourth proportional to 10,554.16, 15,831.21 and 3,158.62 is: 4,737.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,554.16 : 15,831.21 = 3,158.62 : x
  2. Step 2: Convert to fraction form
    10,554.16/15,831.21 = 3,158.62/x
  3. Step 3: Cross multiply
    10,554.16x = 15,831.21 × 3,158.62
  4. Step 4: Simplify right side
    10,554.16x = 50,004,776.53
  5. Step 5: Solve for x
    x = 50,004,776.53/10,554.16
  6. Step 6: Final answer
    x = 4,737.92

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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.