Home / 13,407.24-20,097.90-5,081.52

Finding the Fourth Proportional to 13,407.24, 20,097.90 and 5,081.52

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Solution

The fourth proportional to 13,407.24, 20,097.90 and 5,081.52 is: 7,617.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407.24 : 20,097.90 = 5,081.52 : x
  2. Step 2: Convert to fraction form
    13,407.24/20,097.90 = 5,081.52/x
  3. Step 3: Cross multiply
    13,407.24x = 20,097.90 × 5,081.52
  4. Step 4: Simplify right side
    13,407.24x = 102,127,880.81
  5. Step 5: Solve for x
    x = 102,127,880.81/13,407.24
  6. Step 6: Final answer
    x = 7,617.37

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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.