Home / 12,883.98-19,325.35-7,550.13

Finding the Fourth Proportional to 12,883.98, 19,325.35 and 7,550.13

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Solution

The fourth proportional to 12,883.98, 19,325.35 and 7,550.13 is: 11,324.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,883.98 : 19,325.35 = 7,550.13 : x
  2. Step 2: Convert to fraction form
    12,883.98/19,325.35 = 7,550.13/x
  3. Step 3: Cross multiply
    12,883.98x = 19,325.35 × 7,550.13
  4. Step 4: Simplify right side
    12,883.98x = 145,908,904.80
  5. Step 5: Solve for x
    x = 145,908,904.80/12,883.98
  6. Step 6: Final answer
    x = 11,324.83

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Double scale
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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.