Home / 13,473.78-20,210.40-4,113.60

Finding the Fourth Proportional to 13,473.78, 20,210.40 and 4,113.60

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Solution

The fourth proportional to 13,473.78, 20,210.40 and 4,113.60 is: 6,170.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,473.78 : 20,210.40 = 4,113.60 : x
  2. Step 2: Convert to fraction form
    13,473.78/20,210.40 = 4,113.60/x
  3. Step 3: Cross multiply
    13,473.78x = 20,210.40 × 4,113.60
  4. Step 4: Simplify right side
    13,473.78x = 83,137,501.44
  5. Step 5: Solve for x
    x = 83,137,501.44/13,473.78
  6. Step 6: Final answer
    x = 6,170.32

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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.