Home / 10,075.83-15,113.66-2,680.81

Finding the Fourth Proportional to 10,075.83, 15,113.66 and 2,680.81

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Solution

The fourth proportional to 10,075.83, 15,113.66 and 2,680.81 is: 4,021.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,075.83 : 15,113.66 = 2,680.81 : x
  2. Step 2: Convert to fraction form
    10,075.83/15,113.66 = 2,680.81/x
  3. Step 3: Cross multiply
    10,075.83x = 15,113.66 × 2,680.81
  4. Step 4: Simplify right side
    10,075.83x = 40,516,850.86
  5. Step 5: Solve for x
    x = 40,516,850.86/10,075.83
  6. Step 6: Final answer
    x = 4,021.19

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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.