Home / 23,166.82-31,970.40-13,604.20

Finding the Fourth Proportional to 23,166.82, 31,970.40 and 13,604.20

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Solution

The fourth proportional to 23,166.82, 31,970.40 and 13,604.20 is: 18,773.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,166.82 : 31,970.40 = 13,604.20 : x
  2. Step 2: Convert to fraction form
    23,166.82/31,970.40 = 13,604.20/x
  3. Step 3: Cross multiply
    23,166.82x = 31,970.40 × 13,604.20
  4. Step 4: Simplify right side
    23,166.82x = 434,931,715.68
  5. Step 5: Solve for x
    x = 434,931,715.68/23,166.82
  6. Step 6: Final answer
    x = 18,773.91

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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.