Home / 13,020.58-19,533.77-7,174.18

Finding the Fourth Proportional to 13,020.58, 19,533.77 and 7,174.18

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Solution

The fourth proportional to 13,020.58, 19,533.77 and 7,174.18 is: 10,762.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020.58 : 19,533.77 = 7,174.18 : x
  2. Step 2: Convert to fraction form
    13,020.58/19,533.77 = 7,174.18/x
  3. Step 3: Cross multiply
    13,020.58x = 19,533.77 × 7,174.18
  4. Step 4: Simplify right side
    13,020.58x = 140,138,782.06
  5. Step 5: Solve for x
    x = 140,138,782.06/13,020.58
  6. Step 6: Final answer
    x = 10,762.87

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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.