Home / 12,797.10-19,192.50-5,397.75

Finding the Fourth Proportional to 12,797.10, 19,192.50 and 5,397.75

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Solution

The fourth proportional to 12,797.10, 19,192.50 and 5,397.75 is: 8,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,797.10 : 19,192.50 = 5,397.75 : x
  2. Step 2: Convert to fraction form
    12,797.10/19,192.50 = 5,397.75/x
  3. Step 3: Cross multiply
    12,797.10x = 19,192.50 × 5,397.75
  4. Step 4: Simplify right side
    12,797.10x = 103,596,316.88
  5. Step 5: Solve for x
    x = 103,596,316.88/12,797.10
  6. Step 6: Final answer
    x = 8,095.30

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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.