Home / 9,825.61-13,559.16-5,349.46

Finding the Fourth Proportional to 9,825.61, 13,559.16 and 5,349.46

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Solution

The fourth proportional to 9,825.61, 13,559.16 and 5,349.46 is: 7,382.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,825.61 : 13,559.16 = 5,349.46 : x
  2. Step 2: Convert to fraction form
    9,825.61/13,559.16 = 5,349.46/x
  3. Step 3: Cross multiply
    9,825.61x = 13,559.16 × 5,349.46
  4. Step 4: Simplify right side
    9,825.61x = 72,534,184.05
  5. Step 5: Solve for x
    x = 72,534,184.05/9,825.61
  6. Step 6: Final answer
    x = 7,382.16

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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.