Home / 18,941.49-28,405.97-6,288.32

Finding the Fourth Proportional to 18,941.49, 28,405.97 and 6,288.32

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Solution

The fourth proportional to 18,941.49, 28,405.97 and 6,288.32 is: 9,430.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,941.49 : 28,405.97 = 6,288.32 : x
  2. Step 2: Convert to fraction form
    18,941.49/28,405.97 = 6,288.32/x
  3. Step 3: Cross multiply
    18,941.49x = 28,405.97 × 6,288.32
  4. Step 4: Simplify right side
    18,941.49x = 178,625,868.84
  5. Step 5: Solve for x
    x = 178,625,868.84/18,941.49
  6. Step 6: Final answer
    x = 9,430.40

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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.