Home / 14,574.55-21,860.61-8,726.89

Finding the Fourth Proportional to 14,574.55, 21,860.61 and 8,726.89

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Solution

The fourth proportional to 14,574.55, 21,860.61 and 8,726.89 is: 13,089.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,574.55 : 21,860.61 = 8,726.89 : x
  2. Step 2: Convert to fraction form
    14,574.55/21,860.61 = 8,726.89/x
  3. Step 3: Cross multiply
    14,574.55x = 21,860.61 × 8,726.89
  4. Step 4: Simplify right side
    14,574.55x = 190,775,138.80
  5. Step 5: Solve for x
    x = 190,775,138.80/14,574.55
  6. Step 6: Final answer
    x = 13,089.61

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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.