Home / 18,941.92-28,430.39-9,588.50

Finding the Fourth Proportional to 18,941.92, 28,430.39 and 9,588.50

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Solution

The fourth proportional to 18,941.92, 28,430.39 and 9,588.50 is: 14,391.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,941.92 : 28,430.39 = 9,588.50 : x
  2. Step 2: Convert to fraction form
    18,941.92/28,430.39 = 9,588.50/x
  3. Step 3: Cross multiply
    18,941.92x = 28,430.39 × 9,588.50
  4. Step 4: Simplify right side
    18,941.92x = 272,604,817.65
  5. Step 5: Solve for x
    x = 272,604,817.65/18,941.92
  6. Step 6: Final answer
    x = 14,391.61

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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.