Home / 19,115.85-28,674.59-5,968.74

Finding the Fourth Proportional to 19,115.85, 28,674.59 and 5,968.74

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Solution

The fourth proportional to 19,115.85, 28,674.59 and 5,968.74 is: 8,953.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115.85 : 28,674.59 = 5,968.74 : x
  2. Step 2: Convert to fraction form
    19,115.85/28,674.59 = 5,968.74/x
  3. Step 3: Cross multiply
    19,115.85x = 28,674.59 × 5,968.74
  4. Step 4: Simplify right side
    19,115.85x = 171,151,142.47
  5. Step 5: Solve for x
    x = 171,151,142.47/19,115.85
  6. Step 6: Final answer
    x = 8,953.36

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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.