Home / 10,148.66-14,004.21-5,671.79

Finding the Fourth Proportional to 10,148.66, 14,004.21 and 5,671.79

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Solution

The fourth proportional to 10,148.66, 14,004.21 and 5,671.79 is: 7,826.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.66 : 14,004.21 = 5,671.79 : x
  2. Step 2: Convert to fraction form
    10,148.66/14,004.21 = 5,671.79/x
  3. Step 3: Cross multiply
    10,148.66x = 14,004.21 × 5,671.79
  4. Step 4: Simplify right side
    10,148.66x = 79,428,938.24
  5. Step 5: Solve for x
    x = 79,428,938.24/10,148.66
  6. Step 6: Final answer
    x = 7,826.54

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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.