Home / 9,455.19-14,191.53-4,778.48

Finding the Fourth Proportional to 9,455.19, 14,191.53 and 4,778.48

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Solution

The fourth proportional to 9,455.19, 14,191.53 and 4,778.48 is: 7,172.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,455.19 : 14,191.53 = 4,778.48 : x
  2. Step 2: Convert to fraction form
    9,455.19/14,191.53 = 4,778.48/x
  3. Step 3: Cross multiply
    9,455.19x = 14,191.53 × 4,778.48
  4. Step 4: Simplify right side
    9,455.19x = 67,813,942.27
  5. Step 5: Solve for x
    x = 67,813,942.27/9,455.19
  6. Step 6: Final answer
    x = 7,172.14

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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.