Home / 22,688.64-34,010.75-12,698.27

Finding the Fourth Proportional to 22,688.64, 34,010.75 and 12,698.27

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Solution

The fourth proportional to 22,688.64, 34,010.75 and 12,698.27 is: 19,034.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,688.64 : 34,010.75 = 12,698.27 : x
  2. Step 2: Convert to fraction form
    22,688.64/34,010.75 = 12,698.27/x
  3. Step 3: Cross multiply
    22,688.64x = 34,010.75 × 12,698.27
  4. Step 4: Simplify right side
    22,688.64x = 431,877,537.88
  5. Step 5: Solve for x
    x = 431,877,537.88/22,688.64
  6. Step 6: Final answer
    x = 19,034.97

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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.