Home / 10,203.81-15,308.28-4,941.34

Finding the Fourth Proportional to 10,203.81, 15,308.28 and 4,941.34

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Solution

The fourth proportional to 10,203.81, 15,308.28 and 4,941.34 is: 7,413.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203.81 : 15,308.28 = 4,941.34 : x
  2. Step 2: Convert to fraction form
    10,203.81/15,308.28 = 4,941.34/x
  3. Step 3: Cross multiply
    10,203.81x = 15,308.28 × 4,941.34
  4. Step 4: Simplify right side
    10,203.81x = 75,643,416.30
  5. Step 5: Solve for x
    x = 75,643,416.30/10,203.81
  6. Step 6: Final answer
    x = 7,413.25

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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.