Home / 14,370.68-19,831.40-8,082.92

Finding the Fourth Proportional to 14,370.68, 19,831.40 and 8,082.92

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Solution

The fourth proportional to 14,370.68, 19,831.40 and 8,082.92 is: 11,154.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370.68 : 19,831.40 = 8,082.92 : x
  2. Step 2: Convert to fraction form
    14,370.68/19,831.40 = 8,082.92/x
  3. Step 3: Cross multiply
    14,370.68x = 19,831.40 × 8,082.92
  4. Step 4: Simplify right side
    14,370.68x = 160,295,619.69
  5. Step 5: Solve for x
    x = 160,295,619.69/14,370.68
  6. Step 6: Final answer
    x = 11,154.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.