Home / 18,915.73-26,104.58-10,962.34

Finding the Fourth Proportional to 18,915.73, 26,104.58 and 10,962.34

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Solution

The fourth proportional to 18,915.73, 26,104.58 and 10,962.34 is: 15,128.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,915.73 : 26,104.58 = 10,962.34 : x
  2. Step 2: Convert to fraction form
    18,915.73/26,104.58 = 10,962.34/x
  3. Step 3: Cross multiply
    18,915.73x = 26,104.58 × 10,962.34
  4. Step 4: Simplify right side
    18,915.73x = 286,167,202.55
  5. Step 5: Solve for x
    x = 286,167,202.55/18,915.73
  6. Step 6: Final answer
    x = 15,128.53

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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.