Home / 12,820.14-19,225.62-4,923.18

Finding the Fourth Proportional to 12,820.14, 19,225.62 and 4,923.18

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Solution

The fourth proportional to 12,820.14, 19,225.62 and 4,923.18 is: 7,383.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,820.14 : 19,225.62 = 4,923.18 : x
  2. Step 2: Convert to fraction form
    12,820.14/19,225.62 = 4,923.18/x
  3. Step 3: Cross multiply
    12,820.14x = 19,225.62 × 4,923.18
  4. Step 4: Simplify right side
    12,820.14x = 94,651,187.87
  5. Step 5: Solve for x
    x = 94,651,187.87/12,820.14
  6. Step 6: Final answer
    x = 7,383.01

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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.