Home / 19,326.63-28,989.50-6,179.12

Finding the Fourth Proportional to 19,326.63, 28,989.50 and 6,179.12

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Solution

The fourth proportional to 19,326.63, 28,989.50 and 6,179.12 is: 9,268.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326.63 : 28,989.50 = 6,179.12 : x
  2. Step 2: Convert to fraction form
    19,326.63/28,989.50 = 6,179.12/x
  3. Step 3: Cross multiply
    19,326.63x = 28,989.50 × 6,179.12
  4. Step 4: Simplify right side
    19,326.63x = 179,129,532.11
  5. Step 5: Solve for x
    x = 179,129,532.11/19,326.63
  6. Step 6: Final answer
    x = 9,268.53

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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.