Home / 15,075.42-20,784.97-10,773.66

Finding the Fourth Proportional to 15,075.42, 20,784.97 and 10,773.66

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Solution

The fourth proportional to 15,075.42, 20,784.97 and 10,773.66 is: 14,853.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,075.42 : 20,784.97 = 10,773.66 : x
  2. Step 2: Convert to fraction form
    15,075.42/20,784.97 = 10,773.66/x
  3. Step 3: Cross multiply
    15,075.42x = 20,784.97 × 10,773.66
  4. Step 4: Simplify right side
    15,075.42x = 223,930,055.33
  5. Step 5: Solve for x
    x = 223,930,055.33/15,075.42
  6. Step 6: Final answer
    x = 14,853.98

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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.