Home / 19,071.42-28,607.29-7,832.94

Finding the Fourth Proportional to 19,071.42, 28,607.29 and 7,832.94

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Solution

The fourth proportional to 19,071.42, 28,607.29 and 7,832.94 is: 11,749.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071.42 : 28,607.29 = 7,832.94 : x
  2. Step 2: Convert to fraction form
    19,071.42/28,607.29 = 7,832.94/x
  3. Step 3: Cross multiply
    19,071.42x = 28,607.29 × 7,832.94
  4. Step 4: Simplify right side
    19,071.42x = 224,079,186.13
  5. Step 5: Solve for x
    x = 224,079,186.13/19,071.42
  6. Step 6: Final answer
    x = 11,749.48

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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.