Home / 19,513.64-29,271.83-7,826.86

Finding the Fourth Proportional to 19,513.64, 29,271.83 and 7,826.86

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Solution

The fourth proportional to 19,513.64, 29,271.83 and 7,826.86 is: 11,740.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,513.64 : 29,271.83 = 7,826.86 : x
  2. Step 2: Convert to fraction form
    19,513.64/29,271.83 = 7,826.86/x
  3. Step 3: Cross multiply
    19,513.64x = 29,271.83 × 7,826.86
  4. Step 4: Simplify right side
    19,513.64x = 229,106,515.35
  5. Step 5: Solve for x
    x = 229,106,515.35/19,513.64
  6. Step 6: Final answer
    x = 11,740.84

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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.