Home / 13,230.57-19,831.87-4,343.57

Finding the Fourth Proportional to 13,230.57, 19,831.87 and 4,343.57

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Solution

The fourth proportional to 13,230.57, 19,831.87 and 4,343.57 is: 6,510.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.57 : 19,831.87 = 4,343.57 : x
  2. Step 2: Convert to fraction form
    13,230.57/19,831.87 = 4,343.57/x
  3. Step 3: Cross multiply
    13,230.57x = 19,831.87 × 4,343.57
  4. Step 4: Simplify right side
    13,230.57x = 86,141,115.58
  5. Step 5: Solve for x
    x = 86,141,115.58/13,230.57
  6. Step 6: Final answer
    x = 6,510.76

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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.