Home / 13,479.83-20,219.79-6,075.69

Finding the Fourth Proportional to 13,479.83, 20,219.79 and 6,075.69

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Solution

The fourth proportional to 13,479.83, 20,219.79 and 6,075.69 is: 9,113.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479.83 : 20,219.79 = 6,075.69 : x
  2. Step 2: Convert to fraction form
    13,479.83/20,219.79 = 6,075.69/x
  3. Step 3: Cross multiply
    13,479.83x = 20,219.79 × 6,075.69
  4. Step 4: Simplify right side
    13,479.83x = 122,849,175.91
  5. Step 5: Solve for x
    x = 122,849,175.91/13,479.83
  6. Step 6: Final answer
    x = 9,113.56

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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.