Home / 19,826.24-29,737.19-8,139.49

Finding the Fourth Proportional to 19,826.24, 29,737.19 and 8,139.49

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Solution

The fourth proportional to 19,826.24, 29,737.19 and 8,139.49 is: 12,208.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,826.24 : 29,737.19 = 8,139.49 : x
  2. Step 2: Convert to fraction form
    19,826.24/29,737.19 = 8,139.49/x
  3. Step 3: Cross multiply
    19,826.24x = 29,737.19 × 8,139.49
  4. Step 4: Simplify right side
    19,826.24x = 242,045,506.64
  5. Step 5: Solve for x
    x = 242,045,506.64/19,826.24
  6. Step 6: Final answer
    x = 12,208.34

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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.