Home / 15,380.96-23,064.21-9,141.80

Finding the Fourth Proportional to 15,380.96, 23,064.21 and 9,141.80

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Solution

The fourth proportional to 15,380.96, 23,064.21 and 9,141.80 is: 13,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,380.96 : 23,064.21 = 9,141.80 : x
  2. Step 2: Convert to fraction form
    15,380.96/23,064.21 = 9,141.80/x
  3. Step 3: Cross multiply
    15,380.96x = 23,064.21 × 9,141.80
  4. Step 4: Simplify right side
    15,380.96x = 210,848,279.66
  5. Step 5: Solve for x
    x = 210,848,279.66/15,380.96
  6. Step 6: Final answer
    x = 13,708.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.