Home / 14,129.46-19,499.67-7,841.79

Finding the Fourth Proportional to 14,129.46, 19,499.67 and 7,841.79

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Solution

The fourth proportional to 14,129.46, 19,499.67 and 7,841.79 is: 10,822.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.46 : 19,499.67 = 7,841.79 : x
  2. Step 2: Convert to fraction form
    14,129.46/19,499.67 = 7,841.79/x
  3. Step 3: Cross multiply
    14,129.46x = 19,499.67 × 7,841.79
  4. Step 4: Simplify right side
    14,129.46x = 152,912,317.21
  5. Step 5: Solve for x
    x = 152,912,317.21/14,129.46
  6. Step 6: Final answer
    x = 10,822.23

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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.