Home / 13,023.42-19,512.45-7,817.82

Finding the Fourth Proportional to 13,023.42, 19,512.45 and 7,817.82

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Solution

The fourth proportional to 13,023.42, 19,512.45 and 7,817.82 is: 11,713.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,023.42 : 19,512.45 = 7,817.82 : x
  2. Step 2: Convert to fraction form
    13,023.42/19,512.45 = 7,817.82/x
  3. Step 3: Cross multiply
    13,023.42x = 19,512.45 × 7,817.82
  4. Step 4: Simplify right side
    13,023.42x = 152,544,821.86
  5. Step 5: Solve for x
    x = 152,544,821.86/13,023.42
  6. Step 6: Final answer
    x = 11,713.12

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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.