Home / 13,347.23-20,019.48-3,485.23

Finding the Fourth Proportional to 13,347.23, 20,019.48 and 3,485.23

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Solution

The fourth proportional to 13,347.23, 20,019.48 and 3,485.23 is: 5,227.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347.23 : 20,019.48 = 3,485.23 : x
  2. Step 2: Convert to fraction form
    13,347.23/20,019.48 = 3,485.23/x
  3. Step 3: Cross multiply
    13,347.23x = 20,019.48 × 3,485.23
  4. Step 4: Simplify right side
    13,347.23x = 69,772,438.96
  5. Step 5: Solve for x
    x = 69,772,438.96/13,347.23
  6. Step 6: Final answer
    x = 5,227.48

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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.