Home / 20,062.32-30,075.05-6,911.58

Finding the Fourth Proportional to 20,062.32, 30,075.05 and 6,911.58

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Solution

The fourth proportional to 20,062.32, 30,075.05 and 6,911.58 is: 10,361.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062.32 : 30,075.05 = 6,911.58 : x
  2. Step 2: Convert to fraction form
    20,062.32/30,075.05 = 6,911.58/x
  3. Step 3: Cross multiply
    20,062.32x = 30,075.05 × 6,911.58
  4. Step 4: Simplify right side
    20,062.32x = 207,866,079.52
  5. Step 5: Solve for x
    x = 207,866,079.52/20,062.32
  6. Step 6: Final answer
    x = 10,361.02

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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.