Home / 12,640.04-17,442.06-7,333.64

Finding the Fourth Proportional to 12,640.04, 17,442.06 and 7,333.64

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Solution

The fourth proportional to 12,640.04, 17,442.06 and 7,333.64 is: 10,119.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,640.04 : 17,442.06 = 7,333.64 : x
  2. Step 2: Convert to fraction form
    12,640.04/17,442.06 = 7,333.64/x
  3. Step 3: Cross multiply
    12,640.04x = 17,442.06 × 7,333.64
  4. Step 4: Simplify right side
    12,640.04x = 127,913,788.90
  5. Step 5: Solve for x
    x = 127,913,788.90/12,640.04
  6. Step 6: Final answer
    x = 10,119.73

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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.