Home / 19,319.54-28,968.19-10,302.53

Finding the Fourth Proportional to 19,319.54, 28,968.19 and 10,302.53

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Solution

The fourth proportional to 19,319.54, 28,968.19 and 10,302.53 is: 15,447.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319.54 : 28,968.19 = 10,302.53 : x
  2. Step 2: Convert to fraction form
    19,319.54/28,968.19 = 10,302.53/x
  3. Step 3: Cross multiply
    19,319.54x = 28,968.19 × 10,302.53
  4. Step 4: Simplify right side
    19,319.54x = 298,445,475.92
  5. Step 5: Solve for x
    x = 298,445,475.92/19,319.54
  6. Step 6: Final answer
    x = 15,447.86

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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.