Home / 19,501.72-29,256.23-7,815.85

Finding the Fourth Proportional to 19,501.72, 29,256.23 and 7,815.85

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Solution

The fourth proportional to 19,501.72, 29,256.23 and 7,815.85 is: 11,725.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,501.72 : 29,256.23 = 7,815.85 : x
  2. Step 2: Convert to fraction form
    19,501.72/29,256.23 = 7,815.85/x
  3. Step 3: Cross multiply
    19,501.72x = 29,256.23 × 7,815.85
  4. Step 4: Simplify right side
    19,501.72x = 228,662,251.64
  5. Step 5: Solve for x
    x = 228,662,251.64/19,501.72
  6. Step 6: Final answer
    x = 11,725.24

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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.