Home / 13,448.40-20,164.36-5,548.47

Finding the Fourth Proportional to 13,448.40, 20,164.36 and 5,548.47

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Solution

The fourth proportional to 13,448.40, 20,164.36 and 5,548.47 is: 8,319.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448.40 : 20,164.36 = 5,548.47 : x
  2. Step 2: Convert to fraction form
    13,448.40/20,164.36 = 5,548.47/x
  3. Step 3: Cross multiply
    13,448.40x = 20,164.36 × 5,548.47
  4. Step 4: Simplify right side
    13,448.40x = 111,881,346.53
  5. Step 5: Solve for x
    x = 111,881,346.53/13,448.40
  6. Step 6: Final answer
    x = 8,319.31

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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.