Home / 17,075.80-25,613.70-5,390.20

Finding the Fourth Proportional to 17,075.80, 25,613.70 and 5,390.20

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Solution

The fourth proportional to 17,075.80, 25,613.70 and 5,390.20 is: 8,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,075.80 : 25,613.70 = 5,390.20 : x
  2. Step 2: Convert to fraction form
    17,075.80/25,613.70 = 5,390.20/x
  3. Step 3: Cross multiply
    17,075.80x = 25,613.70 × 5,390.20
  4. Step 4: Simplify right side
    17,075.80x = 138,062,965.74
  5. Step 5: Solve for x
    x = 138,062,965.74/17,075.80
  6. Step 6: Final answer
    x = 8,085.30

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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.