Home / 12,831.86-19,254.17-7,206.04

Finding the Fourth Proportional to 12,831.86, 19,254.17 and 7,206.04

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Solution

The fourth proportional to 12,831.86, 19,254.17 and 7,206.04 is: 10,812.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831.86 : 19,254.17 = 7,206.04 : x
  2. Step 2: Convert to fraction form
    12,831.86/19,254.17 = 7,206.04/x
  3. Step 3: Cross multiply
    12,831.86x = 19,254.17 × 7,206.04
  4. Step 4: Simplify right side
    12,831.86x = 138,746,222.92
  5. Step 5: Solve for x
    x = 138,746,222.92/12,831.86
  6. Step 6: Final answer
    x = 10,812.64

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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.