Home / 9,747.50-14,622.77-3,172.14

Finding the Fourth Proportional to 9,747.50, 14,622.77 and 3,172.14

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Solution

The fourth proportional to 9,747.50, 14,622.77 and 3,172.14 is: 4,758.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,747.50 : 14,622.77 = 3,172.14 : x
  2. Step 2: Convert to fraction form
    9,747.50/14,622.77 = 3,172.14/x
  3. Step 3: Cross multiply
    9,747.50x = 14,622.77 × 3,172.14
  4. Step 4: Simplify right side
    9,747.50x = 46,385,400.51
  5. Step 5: Solve for x
    x = 46,385,400.51/9,747.50
  6. Step 6: Final answer
    x = 4,758.70

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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.