Home / 18,626.04-25,682.94-13,581.36

Finding the Fourth Proportional to 18,626.04, 25,682.94 and 13,581.36

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Solution

The fourth proportional to 18,626.04, 25,682.94 and 13,581.36 is: 18,726.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,626.04 : 25,682.94 = 13,581.36 : x
  2. Step 2: Convert to fraction form
    18,626.04/25,682.94 = 13,581.36/x
  3. Step 3: Cross multiply
    18,626.04x = 25,682.94 × 13,581.36
  4. Step 4: Simplify right side
    18,626.04x = 348,809,254.00
  5. Step 5: Solve for x
    x = 348,809,254.00/18,626.04
  6. Step 6: Final answer
    x = 18,726.97

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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.