Home / 19,640.24-29,448.84-7,946.48

Finding the Fourth Proportional to 19,640.24, 29,448.84 and 7,946.48

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Solution

The fourth proportional to 19,640.24, 29,448.84 and 7,946.48 is: 11,915.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,640.24 : 29,448.84 = 7,946.48 : x
  2. Step 2: Convert to fraction form
    19,640.24/29,448.84 = 7,946.48/x
  3. Step 3: Cross multiply
    19,640.24x = 29,448.84 × 7,946.48
  4. Step 4: Simplify right side
    19,640.24x = 234,014,618.08
  5. Step 5: Solve for x
    x = 234,014,618.08/19,640.24
  6. Step 6: Final answer
    x = 11,915.06

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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.