Home / 12,587.10-17,370.41-6,922.10

Finding the Fourth Proportional to 12,587.10, 17,370.41 and 6,922.10

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Solution

The fourth proportional to 12,587.10, 17,370.41 and 6,922.10 is: 9,552.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,587.10 : 17,370.41 = 6,922.10 : x
  2. Step 2: Convert to fraction form
    12,587.10/17,370.41 = 6,922.10/x
  3. Step 3: Cross multiply
    12,587.10x = 17,370.41 × 6,922.10
  4. Step 4: Simplify right side
    12,587.10x = 120,239,715.06
  5. Step 5: Solve for x
    x = 120,239,715.06/12,587.10
  6. Step 6: Final answer
    x = 9,552.61

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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.