Home / 13,030.63-17,997.11-8,831.59

Finding the Fourth Proportional to 13,030.63, 17,997.11 and 8,831.59

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Solution

The fourth proportional to 13,030.63, 17,997.11 and 8,831.59 is: 12,197.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030.63 : 17,997.11 = 8,831.59 : x
  2. Step 2: Convert to fraction form
    13,030.63/17,997.11 = 8,831.59/x
  3. Step 3: Cross multiply
    13,030.63x = 17,997.11 × 8,831.59
  4. Step 4: Simplify right side
    13,030.63x = 158,943,096.70
  5. Step 5: Solve for x
    x = 158,943,096.70/13,030.63
  6. Step 6: Final answer
    x = 12,197.65

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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.