Home / 18,880.34-26,052.71-15,102.14

Finding the Fourth Proportional to 18,880.34, 26,052.71 and 15,102.14

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Solution

The fourth proportional to 18,880.34, 26,052.71 and 15,102.14 is: 20,839.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880.34 : 26,052.71 = 15,102.14 : x
  2. Step 2: Convert to fraction form
    18,880.34/26,052.71 = 15,102.14/x
  3. Step 3: Cross multiply
    18,880.34x = 26,052.71 × 15,102.14
  4. Step 4: Simplify right side
    18,880.34x = 393,451,468.03
  5. Step 5: Solve for x
    x = 393,451,468.03/18,880.34
  6. Step 6: Final answer
    x = 20,839.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.