Home / 10,075.36-15,111.36-3,148

Finding the Fourth Proportional to 10,075.36, 15,111.36 and 3,148

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Solution

The fourth proportional to 10,075.36, 15,111.36 and 3,148 is: 4,721.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,075.36 : 15,111.36 = 3,148 : x
  2. Step 2: Convert to fraction form
    10,075.36/15,111.36 = 3,148/x
  3. Step 3: Cross multiply
    10,075.36x = 15,111.36 × 3,148
  4. Step 4: Simplify right side
    10,075.36x = 47,570,561.28
  5. Step 5: Solve for x
    x = 47,570,561.28/10,075.36
  6. Step 6: Final answer
    x = 4,721.48

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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.