Home / 15,537.60-21,436.77-9,075.75

Finding the Fourth Proportional to 15,537.60, 21,436.77 and 9,075.75

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Solution

The fourth proportional to 15,537.60, 21,436.77 and 9,075.75 is: 12,521.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537.60 : 21,436.77 = 9,075.75 : x
  2. Step 2: Convert to fraction form
    15,537.60/21,436.77 = 9,075.75/x
  3. Step 3: Cross multiply
    15,537.60x = 21,436.77 × 9,075.75
  4. Step 4: Simplify right side
    15,537.60x = 194,554,765.33
  5. Step 5: Solve for x
    x = 194,554,765.33/15,537.60
  6. Step 6: Final answer
    x = 12,521.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.