Home / 16,438.94-22,685.64-9,365.21

Finding the Fourth Proportional to 16,438.94, 22,685.64 and 9,365.21

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Solution

The fourth proportional to 16,438.94, 22,685.64 and 9,365.21 is: 12,923.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,438.94 : 22,685.64 = 9,365.21 : x
  2. Step 2: Convert to fraction form
    16,438.94/22,685.64 = 9,365.21/x
  3. Step 3: Cross multiply
    16,438.94x = 22,685.64 × 9,365.21
  4. Step 4: Simplify right side
    16,438.94x = 212,455,782.58
  5. Step 5: Solve for x
    x = 212,455,782.58/16,438.94
  6. Step 6: Final answer
    x = 12,923.93

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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.