Home / 19,161.44-28,732.88-6,681.16

Finding the Fourth Proportional to 19,161.44, 28,732.88 and 6,681.16

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Solution

The fourth proportional to 19,161.44, 28,732.88 and 6,681.16 is: 10,018.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,161.44 : 28,732.88 = 6,681.16 : x
  2. Step 2: Convert to fraction form
    19,161.44/28,732.88 = 6,681.16/x
  3. Step 3: Cross multiply
    19,161.44x = 28,732.88 × 6,681.16
  4. Step 4: Simplify right side
    19,161.44x = 191,968,968.54
  5. Step 5: Solve for x
    x = 191,968,968.54/19,161.44
  6. Step 6: Final answer
    x = 10,018.50

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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.