Home / 12,741.17-19,111.07-3,975.08

Finding the Fourth Proportional to 12,741.17, 19,111.07 and 3,975.08

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Solution

The fourth proportional to 12,741.17, 19,111.07 and 3,975.08 is: 5,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,741.17 : 19,111.07 = 3,975.08 : x
  2. Step 2: Convert to fraction form
    12,741.17/19,111.07 = 3,975.08/x
  3. Step 3: Cross multiply
    12,741.17x = 19,111.07 × 3,975.08
  4. Step 4: Simplify right side
    12,741.17x = 75,967,946.52
  5. Step 5: Solve for x
    x = 75,967,946.52/12,741.17
  6. Step 6: Final answer
    x = 5,962.40

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.