Home / 9,216.48-13,824.96-2,642.40

Finding the Fourth Proportional to 9,216.48, 13,824.96 and 2,642.40

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Solution

The fourth proportional to 9,216.48, 13,824.96 and 2,642.40 is: 3,963.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,216.48 : 13,824.96 = 2,642.40 : x
  2. Step 2: Convert to fraction form
    9,216.48/13,824.96 = 2,642.40/x
  3. Step 3: Cross multiply
    9,216.48x = 13,824.96 × 2,642.40
  4. Step 4: Simplify right side
    9,216.48x = 36,531,074.30
  5. Step 5: Solve for x
    x = 36,531,074.30/9,216.48
  6. Step 6: Final answer
    x = 3,963.67

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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.