Home / 14,137.20-19,508.85-7,849.26

Finding the Fourth Proportional to 14,137.20, 19,508.85 and 7,849.26

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Solution

The fourth proportional to 14,137.20, 19,508.85 and 7,849.26 is: 10,831.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137.20 : 19,508.85 = 7,849.26 : x
  2. Step 2: Convert to fraction form
    14,137.20/19,508.85 = 7,849.26/x
  3. Step 3: Cross multiply
    14,137.20x = 19,508.85 × 7,849.26
  4. Step 4: Simplify right side
    14,137.20x = 153,130,035.95
  5. Step 5: Solve for x
    x = 153,130,035.95/14,137.20
  6. Step 6: Final answer
    x = 10,831.71

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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.