Home / 13,142.25-19,712.25-4,821.93

Finding the Fourth Proportional to 13,142.25, 19,712.25 and 4,821.93

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Solution

The fourth proportional to 13,142.25, 19,712.25 and 4,821.93 is: 7,232.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,142.25 : 19,712.25 = 4,821.93 : x
  2. Step 2: Convert to fraction form
    13,142.25/19,712.25 = 4,821.93/x
  3. Step 3: Cross multiply
    13,142.25x = 19,712.25 × 4,821.93
  4. Step 4: Simplify right side
    13,142.25x = 95,051,089.64
  5. Step 5: Solve for x
    x = 95,051,089.64/13,142.25
  6. Step 6: Final answer
    x = 7,232.48

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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.