Home / 13,578.04-20,367.10-4,808.20

Finding the Fourth Proportional to 13,578.04, 20,367.10 and 4,808.20

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Solution

The fourth proportional to 13,578.04, 20,367.10 and 4,808.20 is: 7,212.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,578.04 : 20,367.10 = 4,808.20 : x
  2. Step 2: Convert to fraction form
    13,578.04/20,367.10 = 4,808.20/x
  3. Step 3: Cross multiply
    13,578.04x = 20,367.10 × 4,808.20
  4. Step 4: Simplify right side
    13,578.04x = 97,929,090.22
  5. Step 5: Solve for x
    x = 97,929,090.22/13,578.04
  6. Step 6: Final answer
    x = 7,212.31

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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.