Home / 22,421.27-30,941.91-12,350.05

Finding the Fourth Proportional to 22,421.27, 30,941.91 and 12,350.05

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Solution

The fourth proportional to 22,421.27, 30,941.91 and 12,350.05 is: 17,043.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421.27 : 30,941.91 = 12,350.05 : x
  2. Step 2: Convert to fraction form
    22,421.27/30,941.91 = 12,350.05/x
  3. Step 3: Cross multiply
    22,421.27x = 30,941.91 × 12,350.05
  4. Step 4: Simplify right side
    22,421.27x = 382,134,058.24
  5. Step 5: Solve for x
    x = 382,134,058.24/22,421.27
  6. Step 6: Final answer
    x = 17,043.37

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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.