Home / 14,047.22-19,391.40-8,745.57

Finding the Fourth Proportional to 14,047.22, 19,391.40 and 8,745.57

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Solution

The fourth proportional to 14,047.22, 19,391.40 and 8,745.57 is: 12,072.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.22 : 19,391.40 = 8,745.57 : x
  2. Step 2: Convert to fraction form
    14,047.22/19,391.40 = 8,745.57/x
  3. Step 3: Cross multiply
    14,047.22x = 19,391.40 × 8,745.57
  4. Step 4: Simplify right side
    14,047.22x = 169,588,846.10
  5. Step 5: Solve for x
    x = 169,588,846.10/14,047.22
  6. Step 6: Final answer
    x = 12,072.77

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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.