Home / 9,380.63-12,947-6,027.64

Finding the Fourth Proportional to 9,380.63, 12,947 and 6,027.64

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Solution

The fourth proportional to 9,380.63, 12,947 and 6,027.64 is: 8,319.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,380.63 : 12,947 = 6,027.64 : x
  2. Step 2: Convert to fraction form
    9,380.63/12,947 = 6,027.64/x
  3. Step 3: Cross multiply
    9,380.63x = 12,947 × 6,027.64
  4. Step 4: Simplify right side
    9,380.63x = 78,039,855.08
  5. Step 5: Solve for x
    x = 78,039,855.08/9,380.63
  6. Step 6: Final answer
    x = 8,319.26

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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.