Home / 10,148.79-14,004.38-5,671.92

Finding the Fourth Proportional to 10,148.79, 14,004.38 and 5,671.92

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Solution

The fourth proportional to 10,148.79, 14,004.38 and 5,671.92 is: 7,826.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.79 : 14,004.38 = 5,671.92 : x
  2. Step 2: Convert to fraction form
    10,148.79/14,004.38 = 5,671.92/x
  3. Step 3: Cross multiply
    10,148.79x = 14,004.38 × 5,671.92
  4. Step 4: Simplify right side
    10,148.79x = 79,431,694.65
  5. Step 5: Solve for x
    x = 79,431,694.65/10,148.79
  6. Step 6: Final answer
    x = 7,826.72

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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.