Home / 19,169.80-26,454.28-10,786.30

Finding the Fourth Proportional to 19,169.80, 26,454.28 and 10,786.30

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Solution

The fourth proportional to 19,169.80, 26,454.28 and 10,786.30 is: 14,885.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,169.80 : 26,454.28 = 10,786.30 : x
  2. Step 2: Convert to fraction form
    19,169.80/26,454.28 = 10,786.30/x
  3. Step 3: Cross multiply
    19,169.80x = 26,454.28 × 10,786.30
  4. Step 4: Simplify right side
    19,169.80x = 285,343,800.36
  5. Step 5: Solve for x
    x = 285,343,800.36/19,169.80
  6. Step 6: Final answer
    x = 14,885.07

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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.