Home / 22,669.74-31,281.43-12,600.27

Finding the Fourth Proportional to 22,669.74, 31,281.43 and 12,600.27

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Solution

The fourth proportional to 22,669.74, 31,281.43 and 12,600.27 is: 17,386.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,669.74 : 31,281.43 = 12,600.27 : x
  2. Step 2: Convert to fraction form
    22,669.74/31,281.43 = 12,600.27/x
  3. Step 3: Cross multiply
    22,669.74x = 31,281.43 × 12,600.27
  4. Step 4: Simplify right side
    22,669.74x = 394,154,463.99
  5. Step 5: Solve for x
    x = 394,154,463.99/22,669.74
  6. Step 6: Final answer
    x = 17,386.81

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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.