Home / 20,603.36-28,433.18-11,652.19

Finding the Fourth Proportional to 20,603.36, 28,433.18 and 11,652.19

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Solution

The fourth proportional to 20,603.36, 28,433.18 and 11,652.19 is: 16,080.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,603.36 : 28,433.18 = 11,652.19 : x
  2. Step 2: Convert to fraction form
    20,603.36/28,433.18 = 11,652.19/x
  3. Step 3: Cross multiply
    20,603.36x = 28,433.18 × 11,652.19
  4. Step 4: Simplify right side
    20,603.36x = 331,308,773.71
  5. Step 5: Solve for x
    x = 331,308,773.71/20,603.36
  6. Step 6: Final answer
    x = 16,080.33

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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.