Home / 46,172.13-69,257.88-12,892.20

Finding the Fourth Proportional to 46,172.13, 69,257.88 and 12,892.20

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Solution

The fourth proportional to 46,172.13, 69,257.88 and 12,892.20 is: 19,338.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,172.13 : 69,257.88 = 12,892.20 : x
  2. Step 2: Convert to fraction form
    46,172.13/69,257.88 = 12,892.20/x
  3. Step 3: Cross multiply
    46,172.13x = 69,257.88 × 12,892.20
  4. Step 4: Simplify right side
    46,172.13x = 892,886,440.54
  5. Step 5: Solve for x
    x = 892,886,440.54/46,172.13
  6. Step 6: Final answer
    x = 19,338.21

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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.