Home / 13,200.76-19,803.36-4,880.80

Finding the Fourth Proportional to 13,200.76, 19,803.36 and 4,880.80

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Solution

The fourth proportional to 13,200.76, 19,803.36 and 4,880.80 is: 7,322.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200.76 : 19,803.36 = 4,880.80 : x
  2. Step 2: Convert to fraction form
    13,200.76/19,803.36 = 4,880.80/x
  3. Step 3: Cross multiply
    13,200.76x = 19,803.36 × 4,880.80
  4. Step 4: Simplify right side
    13,200.76x = 96,656,239.49
  5. Step 5: Solve for x
    x = 96,656,239.49/13,200.76
  6. Step 6: Final answer
    x = 7,322.02

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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.