Home / 8,831.44-12,160.68-8,637.04

Finding the Fourth Proportional to 8,831.44, 12,160.68 and 8,637.04

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Solution

The fourth proportional to 8,831.44, 12,160.68 and 8,637.04 is: 11,893.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.44 : 12,160.68 = 8,637.04 : x
  2. Step 2: Convert to fraction form
    8,831.44/12,160.68 = 8,637.04/x
  3. Step 3: Cross multiply
    8,831.44x = 12,160.68 × 8,637.04
  4. Step 4: Simplify right side
    8,831.44x = 105,032,279.59
  5. Step 5: Solve for x
    x = 105,032,279.59/8,831.44
  6. Step 6: Final answer
    x = 11,893.00

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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.