Home / 12,000.21-16,552.57-7,284.49

Finding the Fourth Proportional to 12,000.21, 16,552.57 and 7,284.49

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Solution

The fourth proportional to 12,000.21, 16,552.57 and 7,284.49 is: 10,047.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,000.21 : 16,552.57 = 7,284.49 : x
  2. Step 2: Convert to fraction form
    12,000.21/16,552.57 = 7,284.49/x
  3. Step 3: Cross multiply
    12,000.21x = 16,552.57 × 7,284.49
  4. Step 4: Simplify right side
    12,000.21x = 120,577,030.64
  5. Step 5: Solve for x
    x = 120,577,030.64/12,000.21
  6. Step 6: Final answer
    x = 10,047.91

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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.