Home / 13,172.92-19,767.23-4,858.90

Finding the Fourth Proportional to 13,172.92, 19,767.23 and 4,858.90

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Solution

The fourth proportional to 13,172.92, 19,767.23 and 4,858.90 is: 7,291.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,172.92 : 19,767.23 = 4,858.90 : x
  2. Step 2: Convert to fraction form
    13,172.92/19,767.23 = 4,858.90/x
  3. Step 3: Cross multiply
    13,172.92x = 19,767.23 × 4,858.90
  4. Step 4: Simplify right side
    13,172.92x = 96,046,990.07
  5. Step 5: Solve for x
    x = 96,046,990.07/13,172.92
  6. Step 6: Final answer
    x = 7,291.25

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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.