Home / 9,219.68-13,831.30-3,953.96

Finding the Fourth Proportional to 9,219.68, 13,831.30 and 3,953.96

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Solution

The fourth proportional to 9,219.68, 13,831.30 and 3,953.96 is: 5,931.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.68 : 13,831.30 = 3,953.96 : x
  2. Step 2: Convert to fraction form
    9,219.68/13,831.30 = 3,953.96/x
  3. Step 3: Cross multiply
    9,219.68x = 13,831.30 × 3,953.96
  4. Step 4: Simplify right side
    9,219.68x = 54,688,347.68
  5. Step 5: Solve for x
    x = 54,688,347.68/9,219.68
  6. Step 6: Final answer
    x = 5,931.70

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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.