Home / 19,326.35-28,989.07-6,178.84

Finding the Fourth Proportional to 19,326.35, 28,989.07 and 6,178.84

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Solution

The fourth proportional to 19,326.35, 28,989.07 and 6,178.84 is: 9,268.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326.35 : 28,989.07 = 6,178.84 : x
  2. Step 2: Convert to fraction form
    19,326.35/28,989.07 = 6,178.84/x
  3. Step 3: Cross multiply
    19,326.35x = 28,989.07 × 6,178.84
  4. Step 4: Simplify right side
    19,326.35x = 179,118,772.11
  5. Step 5: Solve for x
    x = 179,118,772.11/19,326.35
  6. Step 6: Final answer
    x = 9,268.11

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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.