Home / 14,041.63-19,381.66-8,380.34

Finding the Fourth Proportional to 14,041.63, 19,381.66 and 8,380.34

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Solution

The fourth proportional to 14,041.63, 19,381.66 and 8,380.34 is: 11,567.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,041.63 : 19,381.66 = 8,380.34 : x
  2. Step 2: Convert to fraction form
    14,041.63/19,381.66 = 8,380.34/x
  3. Step 3: Cross multiply
    14,041.63x = 19,381.66 × 8,380.34
  4. Step 4: Simplify right side
    14,041.63x = 162,424,900.56
  5. Step 5: Solve for x
    x = 162,424,900.56/14,041.63
  6. Step 6: Final answer
    x = 11,567.38

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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.