Home / 19,328.77-28,990.36-6,179.41

Finding the Fourth Proportional to 19,328.77, 28,990.36 and 6,179.41

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Solution

The fourth proportional to 19,328.77, 28,990.36 and 6,179.41 is: 9,268.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,328.77 : 28,990.36 = 6,179.41 : x
  2. Step 2: Convert to fraction form
    19,328.77/28,990.36 = 6,179.41/x
  3. Step 3: Cross multiply
    19,328.77x = 28,990.36 × 6,179.41
  4. Step 4: Simplify right side
    19,328.77x = 179,143,320.49
  5. Step 5: Solve for x
    x = 179,143,320.49/19,328.77
  6. Step 6: Final answer
    x = 9,268.22

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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.