Home / 13,172.92-19,762.07-4,407.91

Finding the Fourth Proportional to 13,172.92, 19,762.07 and 4,407.91

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Solution

The fourth proportional to 13,172.92, 19,762.07 and 4,407.91 is: 6,612.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,172.92 : 19,762.07 = 4,407.91 : x
  2. Step 2: Convert to fraction form
    13,172.92/19,762.07 = 4,407.91/x
  3. Step 3: Cross multiply
    13,172.92x = 19,762.07 × 4,407.91
  4. Step 4: Simplify right side
    13,172.92x = 87,109,425.97
  5. Step 5: Solve for x
    x = 87,109,425.97/13,172.92
  6. Step 6: Final answer
    x = 6,612.77

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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.