Home / 14,603.85-20,162.43-11,591.28

Finding the Fourth Proportional to 14,603.85, 20,162.43 and 11,591.28

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Solution

The fourth proportional to 14,603.85, 20,162.43 and 11,591.28 is: 16,003.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,603.85 : 20,162.43 = 11,591.28 : x
  2. Step 2: Convert to fraction form
    14,603.85/20,162.43 = 11,591.28/x
  3. Step 3: Cross multiply
    14,603.85x = 20,162.43 × 11,591.28
  4. Step 4: Simplify right side
    14,603.85x = 233,708,371.61
  5. Step 5: Solve for x
    x = 233,708,371.61/14,603.85
  6. Step 6: Final answer
    x = 16,003.20

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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.