Home / 14,370.42-19,831.09-8,082.86

Finding the Fourth Proportional to 14,370.42, 19,831.09 and 8,082.86

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Solution

The fourth proportional to 14,370.42, 19,831.09 and 8,082.86 is: 11,154.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370.42 : 19,831.09 = 8,082.86 : x
  2. Step 2: Convert to fraction form
    14,370.42/19,831.09 = 8,082.86/x
  3. Step 3: Cross multiply
    14,370.42x = 19,831.09 × 8,082.86
  4. Step 4: Simplify right side
    14,370.42x = 160,291,924.12
  5. Step 5: Solve for x
    x = 160,291,924.12/14,370.42
  6. Step 6: Final answer
    x = 11,154.30

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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.