Home / 13,075.06-19,613.98-4,187.21

Finding the Fourth Proportional to 13,075.06, 19,613.98 and 4,187.21

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Solution

The fourth proportional to 13,075.06, 19,613.98 and 4,187.21 is: 6,281.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075.06 : 19,613.98 = 4,187.21 : x
  2. Step 2: Convert to fraction form
    13,075.06/19,613.98 = 4,187.21/x
  3. Step 3: Cross multiply
    13,075.06x = 19,613.98 × 4,187.21
  4. Step 4: Simplify right side
    13,075.06x = 82,127,853.20
  5. Step 5: Solve for x
    x = 82,127,853.20/13,075.06
  6. Step 6: Final answer
    x = 6,281.26

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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.