Home / 13,969.53-20,968.07-10,261.35

Finding the Fourth Proportional to 13,969.53, 20,968.07 and 10,261.35

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Solution

The fourth proportional to 13,969.53, 20,968.07 and 10,261.35 is: 15,402.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969.53 : 20,968.07 = 10,261.35 : x
  2. Step 2: Convert to fraction form
    13,969.53/20,968.07 = 10,261.35/x
  3. Step 3: Cross multiply
    13,969.53x = 20,968.07 × 10,261.35
  4. Step 4: Simplify right side
    13,969.53x = 215,160,653.79
  5. Step 5: Solve for x
    x = 215,160,653.79/13,969.53
  6. Step 6: Final answer
    x = 15,402.14

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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.