Home / 9,825.72-13,559.52-5,349.47

Finding the Fourth Proportional to 9,825.72, 13,559.52 and 5,349.47

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Solution

The fourth proportional to 9,825.72, 13,559.52 and 5,349.47 is: 7,382.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,825.72 : 13,559.52 = 5,349.47 : x
  2. Step 2: Convert to fraction form
    9,825.72/13,559.52 = 5,349.47/x
  3. Step 3: Cross multiply
    9,825.72x = 13,559.52 × 5,349.47
  4. Step 4: Simplify right side
    9,825.72x = 72,536,177.66
  5. Step 5: Solve for x
    x = 72,536,177.66/9,825.72
  6. Step 6: Final answer
    x = 7,382.28

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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.