Home / 14,062.94-19,407.26-7,775.72

Finding the Fourth Proportional to 14,062.94, 19,407.26 and 7,775.72

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Solution

The fourth proportional to 14,062.94, 19,407.26 and 7,775.72 is: 10,730.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,062.94 : 19,407.26 = 7,775.72 : x
  2. Step 2: Convert to fraction form
    14,062.94/19,407.26 = 7,775.72/x
  3. Step 3: Cross multiply
    14,062.94x = 19,407.26 × 7,775.72
  4. Step 4: Simplify right side
    14,062.94x = 150,905,371.21
  5. Step 5: Solve for x
    x = 150,905,371.21/14,062.94
  6. Step 6: Final answer
    x = 10,730.71

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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.