Home / 12,802.31-19,190.28-4,902.96

Finding the Fourth Proportional to 12,802.31, 19,190.28 and 4,902.96

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Solution

The fourth proportional to 12,802.31, 19,190.28 and 4,902.96 is: 7,349.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,802.31 : 19,190.28 = 4,902.96 : x
  2. Step 2: Convert to fraction form
    12,802.31/19,190.28 = 4,902.96/x
  3. Step 3: Cross multiply
    12,802.31x = 19,190.28 × 4,902.96
  4. Step 4: Simplify right side
    12,802.31x = 94,089,175.23
  5. Step 5: Solve for x
    x = 94,089,175.23/12,802.31
  6. Step 6: Final answer
    x = 7,349.39

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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.