Home / 9,185.58-12,664.02-6,631.18

Finding the Fourth Proportional to 9,185.58, 12,664.02 and 6,631.18

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Solution

The fourth proportional to 9,185.58, 12,664.02 and 6,631.18 is: 9,142.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,185.58 : 12,664.02 = 6,631.18 : x
  2. Step 2: Convert to fraction form
    9,185.58/12,664.02 = 6,631.18/x
  3. Step 3: Cross multiply
    9,185.58x = 12,664.02 × 6,631.18
  4. Step 4: Simplify right side
    9,185.58x = 83,977,396.14
  5. Step 5: Solve for x
    x = 83,977,396.14/9,185.58
  6. Step 6: Final answer
    x = 9,142.31

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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.