Home / 9,825.84-13,559.28-5,349.44

Finding the Fourth Proportional to 9,825.84, 13,559.28 and 5,349.44

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Solution

The fourth proportional to 9,825.84, 13,559.28 and 5,349.44 is: 7,382.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,825.84 : 13,559.28 = 5,349.44 : x
  2. Step 2: Convert to fraction form
    9,825.84/13,559.28 = 5,349.44/x
  3. Step 3: Cross multiply
    9,825.84x = 13,559.28 × 5,349.44
  4. Step 4: Simplify right side
    9,825.84x = 72,534,554.80
  5. Step 5: Solve for x
    x = 72,534,554.80/9,825.84
  6. Step 6: Final answer
    x = 7,382.02

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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.