Home / 10,043.48-15,065.31-2,648.99

Finding the Fourth Proportional to 10,043.48, 15,065.31 and 2,648.99

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Solution

The fourth proportional to 10,043.48, 15,065.31 and 2,648.99 is: 3,973.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,043.48 : 15,065.31 = 2,648.99 : x
  2. Step 2: Convert to fraction form
    10,043.48/15,065.31 = 2,648.99/x
  3. Step 3: Cross multiply
    10,043.48x = 15,065.31 × 2,648.99
  4. Step 4: Simplify right side
    10,043.48x = 39,907,855.54
  5. Step 5: Solve for x
    x = 39,907,855.54/10,043.48
  6. Step 6: Final answer
    x = 3,973.51

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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.