Home / 15,455.54-21,322.60-10,084.29

Finding the Fourth Proportional to 15,455.54, 21,322.60 and 10,084.29

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Solution

The fourth proportional to 15,455.54, 21,322.60 and 10,084.29 is: 13,912.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455.54 : 21,322.60 = 10,084.29 : x
  2. Step 2: Convert to fraction form
    15,455.54/21,322.60 = 10,084.29/x
  3. Step 3: Cross multiply
    15,455.54x = 21,322.60 × 10,084.29
  4. Step 4: Simplify right side
    15,455.54x = 215,023,281.95
  5. Step 5: Solve for x
    x = 215,023,281.95/15,455.54
  6. Step 6: Final answer
    x = 13,912.38

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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.