Home / 37,215.72-55,831.26-12,257.25

Finding the Fourth Proportional to 37,215.72, 55,831.26 and 12,257.25

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Solution

The fourth proportional to 37,215.72, 55,831.26 and 12,257.25 is: 18,388.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,215.72 : 55,831.26 = 12,257.25 : x
  2. Step 2: Convert to fraction form
    37,215.72/55,831.26 = 12,257.25/x
  3. Step 3: Cross multiply
    37,215.72x = 55,831.26 × 12,257.25
  4. Step 4: Simplify right side
    37,215.72x = 684,337,711.64
  5. Step 5: Solve for x
    x = 684,337,711.64/37,215.72
  6. Step 6: Final answer
    x = 18,388.40

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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.