Home / 9,075.13-12,514.19-7,183.69

Finding the Fourth Proportional to 9,075.13, 12,514.19 and 7,183.69

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Solution

The fourth proportional to 9,075.13, 12,514.19 and 7,183.69 is: 9,905.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,075.13 : 12,514.19 = 7,183.69 : x
  2. Step 2: Convert to fraction form
    9,075.13/12,514.19 = 7,183.69/x
  3. Step 3: Cross multiply
    9,075.13x = 12,514.19 × 7,183.69
  4. Step 4: Simplify right side
    9,075.13x = 89,898,025.64
  5. Step 5: Solve for x
    x = 89,898,025.64/9,075.13
  6. Step 6: Final answer
    x = 9,905.98

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Half scale
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Double scale
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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.