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Finding the Fourth Proportional to 9,858.18, 14,840.52 and 8,986.26

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Solution

The fourth proportional to 9,858.18, 14,840.52 and 8,986.26 is: 13,527.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,858.18 : 14,840.52 = 8,986.26 : x
  2. Step 2: Convert to fraction form
    9,858.18/14,840.52 = 8,986.26/x
  3. Step 3: Cross multiply
    9,858.18x = 14,840.52 × 8,986.26
  4. Step 4: Simplify right side
    9,858.18x = 133,360,771.26
  5. Step 5: Solve for x
    x = 133,360,771.26/9,858.18
  6. Step 6: Final answer
    x = 13,527.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.