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Finding the Fourth Proportional to 15,860.49, 23,805.50 and 8,075.13

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Solution

The fourth proportional to 15,860.49, 23,805.50 and 8,075.13 is: 12,120.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,860.49 : 23,805.50 = 8,075.13 : x
  2. Step 2: Convert to fraction form
    15,860.49/23,805.50 = 8,075.13/x
  3. Step 3: Cross multiply
    15,860.49x = 23,805.50 × 8,075.13
  4. Step 4: Simplify right side
    15,860.49x = 192,232,507.22
  5. Step 5: Solve for x
    x = 192,232,507.22/15,860.49
  6. Step 6: Final answer
    x = 12,120.21

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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.