Home / 13,341.03-20,011.56-3,480.30

Finding the Fourth Proportional to 13,341.03, 20,011.56 and 3,480.30

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Solution

The fourth proportional to 13,341.03, 20,011.56 and 3,480.30 is: 5,220.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341.03 : 20,011.56 = 3,480.30 : x
  2. Step 2: Convert to fraction form
    13,341.03/20,011.56 = 3,480.30/x
  3. Step 3: Cross multiply
    13,341.03x = 20,011.56 × 3,480.30
  4. Step 4: Simplify right side
    13,341.03x = 69,646,232.27
  5. Step 5: Solve for x
    x = 69,646,232.27/13,341.03
  6. Step 6: Final answer
    x = 5,220.45

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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.