Home / 8,831.54-13,234.99-6,637.70

Finding the Fourth Proportional to 8,831.54, 13,234.99 and 6,637.70

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Solution

The fourth proportional to 8,831.54, 13,234.99 and 6,637.70 is: 9,947.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.54 : 13,234.99 = 6,637.70 : x
  2. Step 2: Convert to fraction form
    8,831.54/13,234.99 = 6,637.70/x
  3. Step 3: Cross multiply
    8,831.54x = 13,234.99 × 6,637.70
  4. Step 4: Simplify right side
    8,831.54x = 87,849,893.12
  5. Step 5: Solve for x
    x = 87,849,893.12/8,831.54
  6. Step 6: Final answer
    x = 9,947.29

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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.