Home / 22,054.88-30,438.40-12,623.24

Finding the Fourth Proportional to 22,054.88, 30,438.40 and 12,623.24

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Solution

The fourth proportional to 22,054.88, 30,438.40 and 12,623.24 is: 17,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,054.88 : 30,438.40 = 12,623.24 : x
  2. Step 2: Convert to fraction form
    22,054.88/30,438.40 = 12,623.24/x
  3. Step 3: Cross multiply
    22,054.88x = 30,438.40 × 12,623.24
  4. Step 4: Simplify right side
    22,054.88x = 384,231,228.42
  5. Step 5: Solve for x
    x = 384,231,228.42/22,054.88
  6. Step 6: Final answer
    x = 17,421.60

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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.