Home / 18,074.90-27,008.74-13,776.83

Finding the Fourth Proportional to 18,074.90, 27,008.74 and 13,776.83

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Solution

The fourth proportional to 18,074.90, 27,008.74 and 13,776.83 is: 20,586.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,074.90 : 27,008.74 = 13,776.83 : x
  2. Step 2: Convert to fraction form
    18,074.90/27,008.74 = 13,776.83/x
  3. Step 3: Cross multiply
    18,074.90x = 27,008.74 × 13,776.83
  4. Step 4: Simplify right side
    18,074.90x = 372,094,852.57
  5. Step 5: Solve for x
    x = 372,094,852.57/18,074.90
  6. Step 6: Final answer
    x = 20,586.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.