Home / 9,920.49-13,690.26-5,444.24

Finding the Fourth Proportional to 9,920.49, 13,690.26 and 5,444.24

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Solution

The fourth proportional to 9,920.49, 13,690.26 and 5,444.24 is: 7,513.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,920.49 : 13,690.26 = 5,444.24 : x
  2. Step 2: Convert to fraction form
    9,920.49/13,690.26 = 5,444.24/x
  3. Step 3: Cross multiply
    9,920.49x = 13,690.26 × 5,444.24
  4. Step 4: Simplify right side
    9,920.49x = 74,532,992.65
  5. Step 5: Solve for x
    x = 74,532,992.65/9,920.49
  6. Step 6: Final answer
    x = 7,513.04

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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.