Home / 13,702.24-18,908.08-7,734.48

Finding the Fourth Proportional to 13,702.24, 18,908.08 and 7,734.48

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Solution

The fourth proportional to 13,702.24, 18,908.08 and 7,734.48 is: 10,673.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,702.24 : 18,908.08 = 7,734.48 : x
  2. Step 2: Convert to fraction form
    13,702.24/18,908.08 = 7,734.48/x
  3. Step 3: Cross multiply
    13,702.24x = 18,908.08 × 7,734.48
  4. Step 4: Simplify right side
    13,702.24x = 146,244,166.60
  5. Step 5: Solve for x
    x = 146,244,166.60/13,702.24
  6. Step 6: Final answer
    x = 10,673.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.