Home / 10,220.53-15,330.76-2,824.98

Finding the Fourth Proportional to 10,220.53, 15,330.76 and 2,824.98

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Solution

The fourth proportional to 10,220.53, 15,330.76 and 2,824.98 is: 4,237.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.53 : 15,330.76 = 2,824.98 : x
  2. Step 2: Convert to fraction form
    10,220.53/15,330.76 = 2,824.98/x
  3. Step 3: Cross multiply
    10,220.53x = 15,330.76 × 2,824.98
  4. Step 4: Simplify right side
    10,220.53x = 43,309,090.38
  5. Step 5: Solve for x
    x = 43,309,090.38/10,220.53
  6. Step 6: Final answer
    x = 4,237.46

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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.