Home / 12,845.17-19,269.04-3,485.34

Finding the Fourth Proportional to 12,845.17, 19,269.04 and 3,485.34

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Solution

The fourth proportional to 12,845.17, 19,269.04 and 3,485.34 is: 5,228.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.17 : 19,269.04 = 3,485.34 : x
  2. Step 2: Convert to fraction form
    12,845.17/19,269.04 = 3,485.34/x
  3. Step 3: Cross multiply
    12,845.17x = 19,269.04 × 3,485.34
  4. Step 4: Simplify right side
    12,845.17x = 67,159,155.87
  5. Step 5: Solve for x
    x = 67,159,155.87/12,845.17
  6. Step 6: Final answer
    x = 5,228.36

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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.