Home / 12,842.15-17,722.67-7,536.92

Finding the Fourth Proportional to 12,842.15, 17,722.67 and 7,536.92

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Solution

The fourth proportional to 12,842.15, 17,722.67 and 7,536.92 is: 10,401.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,842.15 : 17,722.67 = 7,536.92 : x
  2. Step 2: Convert to fraction form
    12,842.15/17,722.67 = 7,536.92/x
  3. Step 3: Cross multiply
    12,842.15x = 17,722.67 × 7,536.92
  4. Step 4: Simplify right side
    12,842.15x = 133,574,219.68
  5. Step 5: Solve for x
    x = 133,574,219.68/12,842.15
  6. Step 6: Final answer
    x = 10,401.24

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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.