Home / 11,319.40-16,950.31-9,465.91

Finding the Fourth Proportional to 11,319.40, 16,950.31 and 9,465.91

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Solution

The fourth proportional to 11,319.40, 16,950.31 and 9,465.91 is: 14,174.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.40 : 16,950.31 = 9,465.91 : x
  2. Step 2: Convert to fraction form
    11,319.40/16,950.31 = 9,465.91/x
  3. Step 3: Cross multiply
    11,319.40x = 16,950.31 × 9,465.91
  4. Step 4: Simplify right side
    11,319.40x = 160,450,191.48
  5. Step 5: Solve for x
    x = 160,450,191.48/11,319.40
  6. Step 6: Final answer
    x = 14,174.80

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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.