Home / 9,159.49-13,739.81-2,586.19

Finding the Fourth Proportional to 9,159.49, 13,739.81 and 2,586.19

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Solution

The fourth proportional to 9,159.49, 13,739.81 and 2,586.19 is: 3,879.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.49 : 13,739.81 = 2,586.19 : x
  2. Step 2: Convert to fraction form
    9,159.49/13,739.81 = 2,586.19/x
  3. Step 3: Cross multiply
    9,159.49x = 13,739.81 × 2,586.19
  4. Step 4: Simplify right side
    9,159.49x = 35,533,690.52
  5. Step 5: Solve for x
    x = 35,533,690.52/9,159.49
  6. Step 6: Final answer
    x = 3,879.44

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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.