Home / 9,389.48-14,014.93-8,282.60

Finding the Fourth Proportional to 9,389.48, 14,014.93 and 8,282.60

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Solution

The fourth proportional to 9,389.48, 14,014.93 and 8,282.60 is: 12,362.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,389.48 : 14,014.93 = 8,282.60 : x
  2. Step 2: Convert to fraction form
    9,389.48/14,014.93 = 8,282.60/x
  3. Step 3: Cross multiply
    9,389.48x = 14,014.93 × 8,282.60
  4. Step 4: Simplify right side
    9,389.48x = 116,080,059.22
  5. Step 5: Solve for x
    x = 116,080,059.22/9,389.48
  6. Step 6: Final answer
    x = 12,362.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.