Home / 10,241.40-15,365.70-9,881.40

Finding the Fourth Proportional to 10,241.40, 15,365.70 and 9,881.40

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Solution

The fourth proportional to 10,241.40, 15,365.70 and 9,881.40 is: 14,825.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,241.40 : 15,365.70 = 9,881.40 : x
  2. Step 2: Convert to fraction form
    10,241.40/15,365.70 = 9,881.40/x
  3. Step 3: Cross multiply
    10,241.40x = 15,365.70 × 9,881.40
  4. Step 4: Simplify right side
    10,241.40x = 151,834,627.98
  5. Step 5: Solve for x
    x = 151,834,627.98/10,241.40
  6. Step 6: Final answer
    x = 14,825.57

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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.