Home / 14,685.20-20,291.84-10,923.56

Finding the Fourth Proportional to 14,685.20, 20,291.84 and 10,923.56

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Solution

The fourth proportional to 14,685.20, 20,291.84 and 10,923.56 is: 15,094.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,685.20 : 20,291.84 = 10,923.56 : x
  2. Step 2: Convert to fraction form
    14,685.20/20,291.84 = 10,923.56/x
  3. Step 3: Cross multiply
    14,685.20x = 20,291.84 × 10,923.56
  4. Step 4: Simplify right side
    14,685.20x = 221,659,131.75
  5. Step 5: Solve for x
    x = 221,659,131.75/14,685.20
  6. Step 6: Final answer
    x = 15,094.05

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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.