Home / 13,146.90-19,723.62-4,831.44

Finding the Fourth Proportional to 13,146.90, 19,723.62 and 4,831.44

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Solution

The fourth proportional to 13,146.90, 19,723.62 and 4,831.44 is: 7,248.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146.90 : 19,723.62 = 4,831.44 : x
  2. Step 2: Convert to fraction form
    13,146.90/19,723.62 = 4,831.44/x
  3. Step 3: Cross multiply
    13,146.90x = 19,723.62 × 4,831.44
  4. Step 4: Simplify right side
    13,146.90x = 95,293,486.61
  5. Step 5: Solve for x
    x = 95,293,486.61/13,146.90
  6. Step 6: Final answer
    x = 7,248.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.