Home / 9,044.70-12,478.34-6,918.05

Finding the Fourth Proportional to 9,044.70, 12,478.34 and 6,918.05

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Solution

The fourth proportional to 9,044.70, 12,478.34 and 6,918.05 is: 9,544.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,044.70 : 12,478.34 = 6,918.05 : x
  2. Step 2: Convert to fraction form
    9,044.70/12,478.34 = 6,918.05/x
  3. Step 3: Cross multiply
    9,044.70x = 12,478.34 × 6,918.05
  4. Step 4: Simplify right side
    9,044.70x = 86,325,683.06
  5. Step 5: Solve for x
    x = 86,325,683.06/9,044.70
  6. Step 6: Final answer
    x = 9,544.34

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Double scale
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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.