Home / 18,701.94-28,038.27-9,337.26

Finding the Fourth Proportional to 18,701.94, 28,038.27 and 9,337.26

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Solution

The fourth proportional to 18,701.94, 28,038.27 and 9,337.26 is: 13,998.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701.94 : 28,038.27 = 9,337.26 : x
  2. Step 2: Convert to fraction form
    18,701.94/28,038.27 = 9,337.26/x
  3. Step 3: Cross multiply
    18,701.94x = 28,038.27 × 9,337.26
  4. Step 4: Simplify right side
    18,701.94x = 261,800,616.94
  5. Step 5: Solve for x
    x = 261,800,616.94/18,701.94
  6. Step 6: Final answer
    x = 13,998.58

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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.