Home / 14,370.40-19,831.08-8,082.82

Finding the Fourth Proportional to 14,370.40, 19,831.08 and 8,082.82

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Solution

The fourth proportional to 14,370.40, 19,831.08 and 8,082.82 is: 11,154.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370.40 : 19,831.08 = 8,082.82 : x
  2. Step 2: Convert to fraction form
    14,370.40/19,831.08 = 8,082.82/x
  3. Step 3: Cross multiply
    14,370.40x = 19,831.08 × 8,082.82
  4. Step 4: Simplify right side
    14,370.40x = 160,291,050.05
  5. Step 5: Solve for x
    x = 160,291,050.05/14,370.40
  6. Step 6: Final answer
    x = 11,154.25

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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.