Home / 16,394.58-22,617.63-10,429.20

Finding the Fourth Proportional to 16,394.58, 22,617.63 and 10,429.20

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Solution

The fourth proportional to 16,394.58, 22,617.63 and 10,429.20 is: 14,387.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,394.58 : 22,617.63 = 10,429.20 : x
  2. Step 2: Convert to fraction form
    16,394.58/22,617.63 = 10,429.20/x
  3. Step 3: Cross multiply
    16,394.58x = 22,617.63 × 10,429.20
  4. Step 4: Simplify right side
    16,394.58x = 235,883,786.80
  5. Step 5: Solve for x
    x = 235,883,786.80/16,394.58
  6. Step 6: Final answer
    x = 14,387.91

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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.