Home / 13,346.13-20,019.20-3,485.33

Finding the Fourth Proportional to 13,346.13, 20,019.20 and 3,485.33

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Solution

The fourth proportional to 13,346.13, 20,019.20 and 3,485.33 is: 5,228.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.13 : 20,019.20 = 3,485.33 : x
  2. Step 2: Convert to fraction form
    13,346.13/20,019.20 = 3,485.33/x
  3. Step 3: Cross multiply
    13,346.13x = 20,019.20 × 3,485.33
  4. Step 4: Simplify right side
    13,346.13x = 69,773,518.34
  5. Step 5: Solve for x
    x = 69,773,518.34/13,346.13
  6. Step 6: Final answer
    x = 5,228.00

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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.