Home / 10,622.19-15,933.02-2,830.98

Finding the Fourth Proportional to 10,622.19, 15,933.02 and 2,830.98

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Solution

The fourth proportional to 10,622.19, 15,933.02 and 2,830.98 is: 4,246.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,622.19 : 15,933.02 = 2,830.98 : x
  2. Step 2: Convert to fraction form
    10,622.19/15,933.02 = 2,830.98/x
  3. Step 3: Cross multiply
    10,622.19x = 15,933.02 × 2,830.98
  4. Step 4: Simplify right side
    10,622.19x = 45,106,046.80
  5. Step 5: Solve for x
    x = 45,106,046.80/10,622.19
  6. Step 6: Final answer
    x = 4,246.40

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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.