Home / 13,569.33-20,446.43-11,158.16

Finding the Fourth Proportional to 13,569.33, 20,446.43 and 11,158.16

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Solution

The fourth proportional to 13,569.33, 20,446.43 and 11,158.16 is: 16,813.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.33 : 20,446.43 = 11,158.16 : x
  2. Step 2: Convert to fraction form
    13,569.33/20,446.43 = 11,158.16/x
  3. Step 3: Cross multiply
    13,569.33x = 20,446.43 × 11,158.16
  4. Step 4: Simplify right side
    13,569.33x = 228,144,532.69
  5. Step 5: Solve for x
    x = 228,144,532.69/13,569.33
  6. Step 6: Final answer
    x = 16,813.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.