Home / 9,376.02-12,940.32-5,396.86

Finding the Fourth Proportional to 9,376.02, 12,940.32 and 5,396.86

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Solution

The fourth proportional to 9,376.02, 12,940.32 and 5,396.86 is: 7,448.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,376.02 : 12,940.32 = 5,396.86 : x
  2. Step 2: Convert to fraction form
    9,376.02/12,940.32 = 5,396.86/x
  3. Step 3: Cross multiply
    9,376.02x = 12,940.32 × 5,396.86
  4. Step 4: Simplify right side
    9,376.02x = 69,837,095.40
  5. Step 5: Solve for x
    x = 69,837,095.40/9,376.02
  6. Step 6: Final answer
    x = 7,448.48

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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.