Home / 13,192.50-18,205.72-9,838.30

Finding the Fourth Proportional to 13,192.50, 18,205.72 and 9,838.30

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Solution

The fourth proportional to 13,192.50, 18,205.72 and 9,838.30 is: 13,576.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.50 : 18,205.72 = 9,838.30 : x
  2. Step 2: Convert to fraction form
    13,192.50/18,205.72 = 9,838.30/x
  3. Step 3: Cross multiply
    13,192.50x = 18,205.72 × 9,838.30
  4. Step 4: Simplify right side
    13,192.50x = 179,113,335.08
  5. Step 5: Solve for x
    x = 179,113,335.08/13,192.50
  6. Step 6: Final answer
    x = 13,576.91

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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.