Home / 12,587.44-17,370-6,922.08

Finding the Fourth Proportional to 12,587.44, 17,370 and 6,922.08

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Solution

The fourth proportional to 12,587.44, 17,370 and 6,922.08 is: 9,552.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,587.44 : 17,370 = 6,922.08 : x
  2. Step 2: Convert to fraction form
    12,587.44/17,370 = 6,922.08/x
  3. Step 3: Cross multiply
    12,587.44x = 17,370 × 6,922.08
  4. Step 4: Simplify right side
    12,587.44x = 120,236,529.60
  5. Step 5: Solve for x
    x = 120,236,529.60/12,587.44
  6. Step 6: Final answer
    x = 9,552.10

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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.