Home / 14,215.42-19,617.22-7,841.84

Finding the Fourth Proportional to 14,215.42, 19,617.22 and 7,841.84

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Solution

The fourth proportional to 14,215.42, 19,617.22 and 7,841.84 is: 10,821.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215.42 : 19,617.22 = 7,841.84 : x
  2. Step 2: Convert to fraction form
    14,215.42/19,617.22 = 7,841.84/x
  3. Step 3: Cross multiply
    14,215.42x = 19,617.22 × 7,841.84
  4. Step 4: Simplify right side
    14,215.42x = 153,835,100.48
  5. Step 5: Solve for x
    x = 153,835,100.48/14,215.42
  6. Step 6: Final answer
    x = 10,821.71

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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.