Home / 10,127.63-15,190.79-3,801.26

Finding the Fourth Proportional to 10,127.63, 15,190.79 and 3,801.26

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Solution

The fourth proportional to 10,127.63, 15,190.79 and 3,801.26 is: 5,701.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.63 : 15,190.79 = 3,801.26 : x
  2. Step 2: Convert to fraction form
    10,127.63/15,190.79 = 3,801.26/x
  3. Step 3: Cross multiply
    10,127.63x = 15,190.79 × 3,801.26
  4. Step 4: Simplify right side
    10,127.63x = 57,744,075.94
  5. Step 5: Solve for x
    x = 57,744,075.94/10,127.63
  6. Step 6: Final answer
    x = 5,701.64

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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.