Home / 13,200.32-19,801.37-4,880.14

Finding the Fourth Proportional to 13,200.32, 19,801.37 and 4,880.14

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Solution

The fourth proportional to 13,200.32, 19,801.37 and 4,880.14 is: 7,320.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200.32 : 19,801.37 = 4,880.14 : x
  2. Step 2: Convert to fraction form
    13,200.32/19,801.37 = 4,880.14/x
  3. Step 3: Cross multiply
    13,200.32x = 19,801.37 × 4,880.14
  4. Step 4: Simplify right side
    13,200.32x = 96,633,420.49
  5. Step 5: Solve for x
    x = 96,633,420.49/13,200.32
  6. Step 6: Final answer
    x = 7,320.53

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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.