Home / 10,228.98-15,343.61-3,655.56

Finding the Fourth Proportional to 10,228.98, 15,343.61 and 3,655.56

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Solution

The fourth proportional to 10,228.98, 15,343.61 and 3,655.56 is: 5,483.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,228.98 : 15,343.61 = 3,655.56 : x
  2. Step 2: Convert to fraction form
    10,228.98/15,343.61 = 3,655.56/x
  3. Step 3: Cross multiply
    10,228.98x = 15,343.61 × 3,655.56
  4. Step 4: Simplify right side
    10,228.98x = 56,089,486.97
  5. Step 5: Solve for x
    x = 56,089,486.97/10,228.98
  6. Step 6: Final answer
    x = 5,483.39

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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.