Home / 9,518.31-14,279.09-2,945.16

Finding the Fourth Proportional to 9,518.31, 14,279.09 and 2,945.16

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Solution

The fourth proportional to 9,518.31, 14,279.09 and 2,945.16 is: 4,418.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.31 : 14,279.09 = 2,945.16 : x
  2. Step 2: Convert to fraction form
    9,518.31/14,279.09 = 2,945.16/x
  3. Step 3: Cross multiply
    9,518.31x = 14,279.09 × 2,945.16
  4. Step 4: Simplify right side
    9,518.31x = 42,054,189.98
  5. Step 5: Solve for x
    x = 42,054,189.98/9,518.31
  6. Step 6: Final answer
    x = 4,418.24

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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.