Home / 9,018.94-13,529.68-2,779.46

Finding the Fourth Proportional to 9,018.94, 13,529.68 and 2,779.46

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Solution

The fourth proportional to 9,018.94, 13,529.68 and 2,779.46 is: 4,169.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018.94 : 13,529.68 = 2,779.46 : x
  2. Step 2: Convert to fraction form
    9,018.94/13,529.68 = 2,779.46/x
  3. Step 3: Cross multiply
    9,018.94x = 13,529.68 × 2,779.46
  4. Step 4: Simplify right side
    9,018.94x = 37,605,136.72
  5. Step 5: Solve for x
    x = 37,605,136.72/9,018.94
  6. Step 6: Final answer
    x = 4,169.58

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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.