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Finding the Fourth Proportional to 8,951.02, 13,428.66 and 8,802.28

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Solution

The fourth proportional to 8,951.02, 13,428.66 and 8,802.28 is: 13,205.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.02 : 13,428.66 = 8,802.28 : x
  2. Step 2: Convert to fraction form
    8,951.02/13,428.66 = 8,802.28/x
  3. Step 3: Cross multiply
    8,951.02x = 13,428.66 × 8,802.28
  4. Step 4: Simplify right side
    8,951.02x = 118,202,825.34
  5. Step 5: Solve for x
    x = 118,202,825.34/8,951.02
  6. Step 6: Final answer
    x = 13,205.51

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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.