Home / 19,242.28-28,822.92-12,218.77

Finding the Fourth Proportional to 19,242.28, 28,822.92 and 12,218.77

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Solution

The fourth proportional to 19,242.28, 28,822.92 and 12,218.77 is: 18,302.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,242.28 : 28,822.92 = 12,218.77 : x
  2. Step 2: Convert to fraction form
    19,242.28/28,822.92 = 12,218.77/x
  3. Step 3: Cross multiply
    19,242.28x = 28,822.92 × 12,218.77
  4. Step 4: Simplify right side
    19,242.28x = 352,180,630.21
  5. Step 5: Solve for x
    x = 352,180,630.21/19,242.28
  6. Step 6: Final answer
    x = 18,302.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.