Home / 14,129.22-19,499.24-7,841.60

Finding the Fourth Proportional to 14,129.22, 19,499.24 and 7,841.60

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Solution

The fourth proportional to 14,129.22, 19,499.24 and 7,841.60 is: 10,821.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.22 : 19,499.24 = 7,841.60 : x
  2. Step 2: Convert to fraction form
    14,129.22/19,499.24 = 7,841.60/x
  3. Step 3: Cross multiply
    14,129.22x = 19,499.24 × 7,841.60
  4. Step 4: Simplify right side
    14,129.22x = 152,905,240.38
  5. Step 5: Solve for x
    x = 152,905,240.38/14,129.22
  6. Step 6: Final answer
    x = 10,821.92

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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.