Home / 16,838.10-25,240.95-13,087.80

Finding the Fourth Proportional to 16,838.10, 25,240.95 and 13,087.80

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Solution

The fourth proportional to 16,838.10, 25,240.95 and 13,087.80 is: 19,619.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,838.10 : 25,240.95 = 13,087.80 : x
  2. Step 2: Convert to fraction form
    16,838.10/25,240.95 = 13,087.80/x
  3. Step 3: Cross multiply
    16,838.10x = 25,240.95 × 13,087.80
  4. Step 4: Simplify right side
    16,838.10x = 330,348,505.41
  5. Step 5: Solve for x
    x = 330,348,505.41/16,838.10
  6. Step 6: Final answer
    x = 19,619.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.