Home / 15,831.45-23,741.55-7,509.87

Finding the Fourth Proportional to 15,831.45, 23,741.55 and 7,509.87

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Solution

The fourth proportional to 15,831.45, 23,741.55 and 7,509.87 is: 11,262.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,831.45 : 23,741.55 = 7,509.87 : x
  2. Step 2: Convert to fraction form
    15,831.45/23,741.55 = 7,509.87/x
  3. Step 3: Cross multiply
    15,831.45x = 23,741.55 × 7,509.87
  4. Step 4: Simplify right side
    15,831.45x = 178,295,954.10
  5. Step 5: Solve for x
    x = 178,295,954.10/15,831.45
  6. Step 6: Final answer
    x = 11,262.14

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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.