Home / 22,866.84-31,562.46-13,438.44

Finding the Fourth Proportional to 22,866.84, 31,562.46 and 13,438.44

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Solution

The fourth proportional to 22,866.84, 31,562.46 and 13,438.44 is: 18,548.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,866.84 : 31,562.46 = 13,438.44 : x
  2. Step 2: Convert to fraction form
    22,866.84/31,562.46 = 13,438.44/x
  3. Step 3: Cross multiply
    22,866.84x = 31,562.46 × 13,438.44
  4. Step 4: Simplify right side
    22,866.84x = 424,150,224.96
  5. Step 5: Solve for x
    x = 424,150,224.96/22,866.84
  6. Step 6: Final answer
    x = 18,548.70

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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.