Home / 14,352.78-21,527.55-4,991.22

Finding the Fourth Proportional to 14,352.78, 21,527.55 and 4,991.22

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Solution

The fourth proportional to 14,352.78, 21,527.55 and 4,991.22 is: 7,486.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,352.78 : 21,527.55 = 4,991.22 : x
  2. Step 2: Convert to fraction form
    14,352.78/21,527.55 = 4,991.22/x
  3. Step 3: Cross multiply
    14,352.78x = 21,527.55 × 4,991.22
  4. Step 4: Simplify right side
    14,352.78x = 107,448,738.11
  5. Step 5: Solve for x
    x = 107,448,738.11/14,352.78
  6. Step 6: Final answer
    x = 7,486.27

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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.