Home / 22,134.09-30,542.36-12,570.56

Finding the Fourth Proportional to 22,134.09, 30,542.36 and 12,570.56

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Solution

The fourth proportional to 22,134.09, 30,542.36 and 12,570.56 is: 17,345.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,134.09 : 30,542.36 = 12,570.56 : x
  2. Step 2: Convert to fraction form
    22,134.09/30,542.36 = 12,570.56/x
  3. Step 3: Cross multiply
    22,134.09x = 30,542.36 × 12,570.56
  4. Step 4: Simplify right side
    22,134.09x = 383,934,353.36
  5. Step 5: Solve for x
    x = 383,934,353.36/22,134.09
  6. Step 6: Final answer
    x = 17,345.84

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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.