Home / 10,429.21-14,392.49-5,713.19

Finding the Fourth Proportional to 10,429.21, 14,392.49 and 5,713.19

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Solution

The fourth proportional to 10,429.21, 14,392.49 and 5,713.19 is: 7,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429.21 : 14,392.49 = 5,713.19 : x
  2. Step 2: Convert to fraction form
    10,429.21/14,392.49 = 5,713.19/x
  3. Step 3: Cross multiply
    10,429.21x = 14,392.49 × 5,713.19
  4. Step 4: Simplify right side
    10,429.21x = 82,227,029.94
  5. Step 5: Solve for x
    x = 82,227,029.94/10,429.21
  6. Step 6: Final answer
    x = 7,884.30

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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.