Home / 15,905.85-23,851.19-5,907.42

Finding the Fourth Proportional to 15,905.85, 23,851.19 and 5,907.42

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Solution

The fourth proportional to 15,905.85, 23,851.19 and 5,907.42 is: 8,858.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,905.85 : 23,851.19 = 5,907.42 : x
  2. Step 2: Convert to fraction form
    15,905.85/23,851.19 = 5,907.42/x
  3. Step 3: Cross multiply
    15,905.85x = 23,851.19 × 5,907.42
  4. Step 4: Simplify right side
    15,905.85x = 140,898,967.29
  5. Step 5: Solve for x
    x = 140,898,967.29/15,905.85
  6. Step 6: Final answer
    x = 8,858.31

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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.