Home / 15,383.90-23,076.76-4,290.34

Finding the Fourth Proportional to 15,383.90, 23,076.76 and 4,290.34

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Solution

The fourth proportional to 15,383.90, 23,076.76 and 4,290.34 is: 6,435.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383.90 : 23,076.76 = 4,290.34 : x
  2. Step 2: Convert to fraction form
    15,383.90/23,076.76 = 4,290.34/x
  3. Step 3: Cross multiply
    15,383.90x = 23,076.76 × 4,290.34
  4. Step 4: Simplify right side
    15,383.90x = 99,007,146.50
  5. Step 5: Solve for x
    x = 99,007,146.50/15,383.90
  6. Step 6: Final answer
    x = 6,435.76

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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.