Home / 9,825.40-13,561.32-6,238.18

Finding the Fourth Proportional to 9,825.40, 13,561.32 and 6,238.18

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Solution

The fourth proportional to 9,825.40, 13,561.32 and 6,238.18 is: 8,610.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,825.40 : 13,561.32 = 6,238.18 : x
  2. Step 2: Convert to fraction form
    9,825.40/13,561.32 = 6,238.18/x
  3. Step 3: Cross multiply
    9,825.40x = 13,561.32 × 6,238.18
  4. Step 4: Simplify right side
    9,825.40x = 84,597,955.20
  5. Step 5: Solve for x
    x = 84,597,955.20/9,825.40
  6. Step 6: Final answer
    x = 8,610.13

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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.