Home / 14,370.55-19,831.15-8,082.92

Finding the Fourth Proportional to 14,370.55, 19,831.15 and 8,082.92

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Solution

The fourth proportional to 14,370.55, 19,831.15 and 8,082.92 is: 11,154.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370.55 : 19,831.15 = 8,082.92 : x
  2. Step 2: Convert to fraction form
    14,370.55/19,831.15 = 8,082.92/x
  3. Step 3: Cross multiply
    14,370.55x = 19,831.15 × 8,082.92
  4. Step 4: Simplify right side
    14,370.55x = 160,293,598.96
  5. Step 5: Solve for x
    x = 160,293,598.96/14,370.55
  6. Step 6: Final answer
    x = 11,154.31

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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.