Home / 12,029.42-17,985-10,200.98

Finding the Fourth Proportional to 12,029.42, 17,985 and 10,200.98

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Solution

The fourth proportional to 12,029.42, 17,985 and 10,200.98 is: 15,251.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029.42 : 17,985 = 10,200.98 : x
  2. Step 2: Convert to fraction form
    12,029.42/17,985 = 10,200.98/x
  3. Step 3: Cross multiply
    12,029.42x = 17,985 × 10,200.98
  4. Step 4: Simplify right side
    12,029.42x = 183,464,625.30
  5. Step 5: Solve for x
    x = 183,464,625.30/12,029.42
  6. Step 6: Final answer
    x = 15,251.33

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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.