Home / 13,001.81-19,485.04-5,499.13

Finding the Fourth Proportional to 13,001.81, 19,485.04 and 5,499.13

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Solution

The fourth proportional to 13,001.81, 19,485.04 and 5,499.13 is: 8,241.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.81 : 19,485.04 = 5,499.13 : x
  2. Step 2: Convert to fraction form
    13,001.81/19,485.04 = 5,499.13/x
  3. Step 3: Cross multiply
    13,001.81x = 19,485.04 × 5,499.13
  4. Step 4: Simplify right side
    13,001.81x = 107,150,768.02
  5. Step 5: Solve for x
    x = 107,150,768.02/13,001.81
  6. Step 6: Final answer
    x = 8,241.22

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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.