Home / 12,831.32-19,230.50-6,586.22

Finding the Fourth Proportional to 12,831.32, 19,230.50 and 6,586.22

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Solution

The fourth proportional to 12,831.32, 19,230.50 and 6,586.22 is: 9,870.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831.32 : 19,230.50 = 6,586.22 : x
  2. Step 2: Convert to fraction form
    12,831.32/19,230.50 = 6,586.22/x
  3. Step 3: Cross multiply
    12,831.32x = 19,230.50 × 6,586.22
  4. Step 4: Simplify right side
    12,831.32x = 126,656,303.71
  5. Step 5: Solve for x
    x = 126,656,303.71/12,831.32
  6. Step 6: Final answer
    x = 9,870.87

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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.