Home / 21,768.72-30,041.19-12,337.08

Finding the Fourth Proportional to 21,768.72, 30,041.19 and 12,337.08

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Solution

The fourth proportional to 21,768.72, 30,041.19 and 12,337.08 is: 17,025.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,768.72 : 30,041.19 = 12,337.08 : x
  2. Step 2: Convert to fraction form
    21,768.72/30,041.19 = 12,337.08/x
  3. Step 3: Cross multiply
    21,768.72x = 30,041.19 × 12,337.08
  4. Step 4: Simplify right side
    21,768.72x = 370,620,564.33
  5. Step 5: Solve for x
    x = 370,620,564.33/21,768.72
  6. Step 6: Final answer
    x = 17,025.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.