Home / 10,428.41-15,642.48-2,530.98

Finding the Fourth Proportional to 10,428.41, 15,642.48 and 2,530.98

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Solution

The fourth proportional to 10,428.41, 15,642.48 and 2,530.98 is: 3,796.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428.41 : 15,642.48 = 2,530.98 : x
  2. Step 2: Convert to fraction form
    10,428.41/15,642.48 = 2,530.98/x
  3. Step 3: Cross multiply
    10,428.41x = 15,642.48 × 2,530.98
  4. Step 4: Simplify right side
    10,428.41x = 39,590,804.03
  5. Step 5: Solve for x
    x = 39,590,804.03/10,428.41
  6. Step 6: Final answer
    x = 3,796.44

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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.