Home / 9,376.62-12,943-5,399.32

Finding the Fourth Proportional to 9,376.62, 12,943 and 5,399.32

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Solution

The fourth proportional to 9,376.62, 12,943 and 5,399.32 is: 7,452.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,376.62 : 12,943 = 5,399.32 : x
  2. Step 2: Convert to fraction form
    9,376.62/12,943 = 5,399.32/x
  3. Step 3: Cross multiply
    9,376.62x = 12,943 × 5,399.32
  4. Step 4: Simplify right side
    9,376.62x = 69,883,398.76
  5. Step 5: Solve for x
    x = 69,883,398.76/9,376.62
  6. Step 6: Final answer
    x = 7,452.94

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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.