Home / 12,397.06-18,627.79-11,587.16

Finding the Fourth Proportional to 12,397.06, 18,627.79 and 11,587.16

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Solution

The fourth proportional to 12,397.06, 18,627.79 and 11,587.16 is: 17,410.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,397.06 : 18,627.79 = 11,587.16 : x
  2. Step 2: Convert to fraction form
    12,397.06/18,627.79 = 11,587.16/x
  3. Step 3: Cross multiply
    12,397.06x = 18,627.79 × 11,587.16
  4. Step 4: Simplify right side
    12,397.06x = 215,843,200.78
  5. Step 5: Solve for x
    x = 215,843,200.78/12,397.06
  6. Step 6: Final answer
    x = 17,410.84

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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.