Home / 10,430.78-15,648.59-3,035.07

Finding the Fourth Proportional to 10,430.78, 15,648.59 and 3,035.07

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Solution

The fourth proportional to 10,430.78, 15,648.59 and 3,035.07 is: 4,553.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.78 : 15,648.59 = 3,035.07 : x
  2. Step 2: Convert to fraction form
    10,430.78/15,648.59 = 3,035.07/x
  3. Step 3: Cross multiply
    10,430.78x = 15,648.59 × 3,035.07
  4. Step 4: Simplify right side
    10,430.78x = 47,494,573.64
  5. Step 5: Solve for x
    x = 47,494,573.64/10,430.78
  6. Step 6: Final answer
    x = 4,553.31

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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.