Home / 10,927.80-16,390.44-3,030.90

Finding the Fourth Proportional to 10,927.80, 16,390.44 and 3,030.90

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Solution

The fourth proportional to 10,927.80, 16,390.44 and 3,030.90 is: 4,546.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927.80 : 16,390.44 = 3,030.90 : x
  2. Step 2: Convert to fraction form
    10,927.80/16,390.44 = 3,030.90/x
  3. Step 3: Cross multiply
    10,927.80x = 16,390.44 × 3,030.90
  4. Step 4: Simplify right side
    10,927.80x = 49,677,784.60
  5. Step 5: Solve for x
    x = 49,677,784.60/10,927.80
  6. Step 6: Final answer
    x = 4,546.00

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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.