Home / 14,348.11-19,801.93-8,381.72

Finding the Fourth Proportional to 14,348.11, 19,801.93 and 8,381.72

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Solution

The fourth proportional to 14,348.11, 19,801.93 and 8,381.72 is: 11,567.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,348.11 : 19,801.93 = 8,381.72 : x
  2. Step 2: Convert to fraction form
    14,348.11/19,801.93 = 8,381.72/x
  3. Step 3: Cross multiply
    14,348.11x = 19,801.93 × 8,381.72
  4. Step 4: Simplify right side
    14,348.11x = 165,974,232.72
  5. Step 5: Solve for x
    x = 165,974,232.72/14,348.11
  6. Step 6: Final answer
    x = 11,567.67

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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.