Home / 9,075.80-13,613.70-6,123.35

Finding the Fourth Proportional to 9,075.80, 13,613.70 and 6,123.35

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Solution

The fourth proportional to 9,075.80, 13,613.70 and 6,123.35 is: 9,185.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,075.80 : 13,613.70 = 6,123.35 : x
  2. Step 2: Convert to fraction form
    9,075.80/13,613.70 = 6,123.35/x
  3. Step 3: Cross multiply
    9,075.80x = 13,613.70 × 6,123.35
  4. Step 4: Simplify right side
    9,075.80x = 83,361,449.90
  5. Step 5: Solve for x
    x = 83,361,449.90/9,075.80
  6. Step 6: Final answer
    x = 9,185.03

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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.