Home / 18,987.24-26,202.27-10,489.91

Finding the Fourth Proportional to 18,987.24, 26,202.27 and 10,489.91

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Solution

The fourth proportional to 18,987.24, 26,202.27 and 10,489.91 is: 14,476.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,987.24 : 26,202.27 = 10,489.91 : x
  2. Step 2: Convert to fraction form
    18,987.24/26,202.27 = 10,489.91/x
  3. Step 3: Cross multiply
    18,987.24x = 26,202.27 × 10,489.91
  4. Step 4: Simplify right side
    18,987.24x = 274,859,391.83
  5. Step 5: Solve for x
    x = 274,859,391.83/18,987.24
  6. Step 6: Final answer
    x = 14,476.01

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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.