Home / 18,813.45-25,962.18-10,429.95

Finding the Fourth Proportional to 18,813.45, 25,962.18 and 10,429.95

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Solution

The fourth proportional to 18,813.45, 25,962.18 and 10,429.95 is: 14,393.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,813.45 : 25,962.18 = 10,429.95 : x
  2. Step 2: Convert to fraction form
    18,813.45/25,962.18 = 10,429.95/x
  3. Step 3: Cross multiply
    18,813.45x = 25,962.18 × 10,429.95
  4. Step 4: Simplify right side
    18,813.45x = 270,784,239.29
  5. Step 5: Solve for x
    x = 270,784,239.29/18,813.45
  6. Step 6: Final answer
    x = 14,393.12

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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.