Home / 9,109.06-13,664.40-7,030.60

Finding the Fourth Proportional to 9,109.06, 13,664.40 and 7,030.60

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Solution

The fourth proportional to 9,109.06, 13,664.40 and 7,030.60 is: 10,546.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109.06 : 13,664.40 = 7,030.60 : x
  2. Step 2: Convert to fraction form
    9,109.06/13,664.40 = 7,030.60/x
  3. Step 3: Cross multiply
    9,109.06x = 13,664.40 × 7,030.60
  4. Step 4: Simplify right side
    9,109.06x = 96,068,930.64
  5. Step 5: Solve for x
    x = 96,068,930.64/9,109.06
  6. Step 6: Final answer
    x = 10,546.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.