Home / 10,210.43-15,315.60-2,814.95

Finding the Fourth Proportional to 10,210.43, 15,315.60 and 2,814.95

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Solution

The fourth proportional to 10,210.43, 15,315.60 and 2,814.95 is: 4,222.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,210.43 : 15,315.60 = 2,814.95 : x
  2. Step 2: Convert to fraction form
    10,210.43/15,315.60 = 2,814.95/x
  3. Step 3: Cross multiply
    10,210.43x = 15,315.60 × 2,814.95
  4. Step 4: Simplify right side
    10,210.43x = 43,112,648.22
  5. Step 5: Solve for x
    x = 43,112,648.22/10,210.43
  6. Step 6: Final answer
    x = 4,222.41

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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.