Home / 14,642.01-21,958.46-5,280.81

Finding the Fourth Proportional to 14,642.01, 21,958.46 and 5,280.81

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Solution

The fourth proportional to 14,642.01, 21,958.46 and 5,280.81 is: 7,919.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,642.01 : 21,958.46 = 5,280.81 : x
  2. Step 2: Convert to fraction form
    14,642.01/21,958.46 = 5,280.81/x
  3. Step 3: Cross multiply
    14,642.01x = 21,958.46 × 5,280.81
  4. Step 4: Simplify right side
    14,642.01x = 115,958,422.85
  5. Step 5: Solve for x
    x = 115,958,422.85/14,642.01
  6. Step 6: Final answer
    x = 7,919.57

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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.