Home / 9,376.43-12,942.26-5,400.35

Finding the Fourth Proportional to 9,376.43, 12,942.26 and 5,400.35

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Solution

The fourth proportional to 9,376.43, 12,942.26 and 5,400.35 is: 7,454.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,376.43 : 12,942.26 = 5,400.35 : x
  2. Step 2: Convert to fraction form
    9,376.43/12,942.26 = 5,400.35/x
  3. Step 3: Cross multiply
    9,376.43x = 12,942.26 × 5,400.35
  4. Step 4: Simplify right side
    9,376.43x = 69,892,642.08
  5. Step 5: Solve for x
    x = 69,892,642.08/9,376.43
  6. Step 6: Final answer
    x = 7,454.08

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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.