Home / 12,641.04-18,963.72-5,623.56

Finding the Fourth Proportional to 12,641.04, 18,963.72 and 5,623.56

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Solution

The fourth proportional to 12,641.04, 18,963.72 and 5,623.56 is: 8,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,641.04 : 18,963.72 = 5,623.56 : x
  2. Step 2: Convert to fraction form
    12,641.04/18,963.72 = 5,623.56/x
  3. Step 3: Cross multiply
    12,641.04x = 18,963.72 × 5,623.56
  4. Step 4: Simplify right side
    12,641.04x = 106,643,617.24
  5. Step 5: Solve for x
    x = 106,643,617.24/12,641.04
  6. Step 6: Final answer
    x = 8,436.30

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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.