Home / 10,075.05-15,112.87-4,810.61

Finding the Fourth Proportional to 10,075.05, 15,112.87 and 4,810.61

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Solution

The fourth proportional to 10,075.05, 15,112.87 and 4,810.61 is: 7,216.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,075.05 : 15,112.87 = 4,810.61 : x
  2. Step 2: Convert to fraction form
    10,075.05/15,112.87 = 4,810.61/x
  3. Step 3: Cross multiply
    10,075.05x = 15,112.87 × 4,810.61
  4. Step 4: Simplify right side
    10,075.05x = 72,702,149.31
  5. Step 5: Solve for x
    x = 72,702,149.31/10,075.05
  6. Step 6: Final answer
    x = 7,216.06

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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.