Home / 14,051.15-19,391.40-8,083.47

Finding the Fourth Proportional to 14,051.15, 19,391.40 and 8,083.47

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Solution

The fourth proportional to 14,051.15, 19,391.40 and 8,083.47 is: 11,155.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.15 : 19,391.40 = 8,083.47 : x
  2. Step 2: Convert to fraction form
    14,051.15/19,391.40 = 8,083.47/x
  3. Step 3: Cross multiply
    14,051.15x = 19,391.40 × 8,083.47
  4. Step 4: Simplify right side
    14,051.15x = 156,749,800.16
  5. Step 5: Solve for x
    x = 156,749,800.16/14,051.15
  6. Step 6: Final answer
    x = 11,155.66

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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.