Home / 10,647.09-15,970.64-4,075.16

Finding the Fourth Proportional to 10,647.09, 15,970.64 and 4,075.16

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Solution

The fourth proportional to 10,647.09, 15,970.64 and 4,075.16 is: 6,112.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647.09 : 15,970.64 = 4,075.16 : x
  2. Step 2: Convert to fraction form
    10,647.09/15,970.64 = 4,075.16/x
  3. Step 3: Cross multiply
    10,647.09x = 15,970.64 × 4,075.16
  4. Step 4: Simplify right side
    10,647.09x = 65,082,813.07
  5. Step 5: Solve for x
    x = 65,082,813.07/10,647.09
  6. Step 6: Final answer
    x = 6,112.73

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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.