Home / 12,632.03-17,421.93-11,116.32

Finding the Fourth Proportional to 12,632.03, 17,421.93 and 11,116.32

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Solution

The fourth proportional to 12,632.03, 17,421.93 and 11,116.32 is: 15,331.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,632.03 : 17,421.93 = 11,116.32 : x
  2. Step 2: Convert to fraction form
    12,632.03/17,421.93 = 11,116.32/x
  3. Step 3: Cross multiply
    12,632.03x = 17,421.93 × 11,116.32
  4. Step 4: Simplify right side
    12,632.03x = 193,667,748.90
  5. Step 5: Solve for x
    x = 193,667,748.90/12,632.03
  6. Step 6: Final answer
    x = 15,331.48

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Double scale
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Similar ratio
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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.