Home / 9,268.63-12,779.55-7,374.43

Finding the Fourth Proportional to 9,268.63, 12,779.55 and 7,374.43

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Solution

The fourth proportional to 9,268.63, 12,779.55 and 7,374.43 is: 10,167.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268.63 : 12,779.55 = 7,374.43 : x
  2. Step 2: Convert to fraction form
    9,268.63/12,779.55 = 7,374.43/x
  3. Step 3: Cross multiply
    9,268.63x = 12,779.55 × 7,374.43
  4. Step 4: Simplify right side
    9,268.63x = 94,241,896.91
  5. Step 5: Solve for x
    x = 94,241,896.91/9,268.63
  6. Step 6: Final answer
    x = 10,167.83

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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.