Home / 18,220.95-27,328.32-6,374.23

Finding the Fourth Proportional to 18,220.95, 27,328.32 and 6,374.23

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Solution

The fourth proportional to 18,220.95, 27,328.32 and 6,374.23 is: 9,560.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.95 : 27,328.32 = 6,374.23 : x
  2. Step 2: Convert to fraction form
    18,220.95/27,328.32 = 6,374.23/x
  3. Step 3: Cross multiply
    18,220.95x = 27,328.32 × 6,374.23
  4. Step 4: Simplify right side
    18,220.95x = 174,196,928.87
  5. Step 5: Solve for x
    x = 174,196,928.87/18,220.95
  6. Step 6: Final answer
    x = 9,560.26

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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.