Home / 19,640.93-29,461.41-13,823.51

Finding the Fourth Proportional to 19,640.93, 29,461.41 and 13,823.51

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Solution

The fourth proportional to 19,640.93, 29,461.41 and 13,823.51 is: 20,735.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,640.93 : 29,461.41 = 13,823.51 : x
  2. Step 2: Convert to fraction form
    19,640.93/29,461.41 = 13,823.51/x
  3. Step 3: Cross multiply
    19,640.93x = 29,461.41 × 13,823.51
  4. Step 4: Simplify right side
    19,640.93x = 407,260,169.40
  5. Step 5: Solve for x
    x = 407,260,169.40/19,640.93
  6. Step 6: Final answer
    x = 20,735.28

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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.