Home / 13,642.27-18,826.14-7,673.94

Finding the Fourth Proportional to 13,642.27, 18,826.14 and 7,673.94

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Solution

The fourth proportional to 13,642.27, 18,826.14 and 7,673.94 is: 10,589.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,642.27 : 18,826.14 = 7,673.94 : x
  2. Step 2: Convert to fraction form
    13,642.27/18,826.14 = 7,673.94/x
  3. Step 3: Cross multiply
    13,642.27x = 18,826.14 × 7,673.94
  4. Step 4: Simplify right side
    13,642.27x = 144,470,697.57
  5. Step 5: Solve for x
    x = 144,470,697.57/13,642.27
  6. Step 6: Final answer
    x = 10,589.93

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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.