Home / 18,723.69-25,826.83-14,237.61

Finding the Fourth Proportional to 18,723.69, 25,826.83 and 14,237.61

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Solution

The fourth proportional to 18,723.69, 25,826.83 and 14,237.61 is: 19,638.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723.69 : 25,826.83 = 14,237.61 : x
  2. Step 2: Convert to fraction form
    18,723.69/25,826.83 = 14,237.61/x
  3. Step 3: Cross multiply
    18,723.69x = 25,826.83 × 14,237.61
  4. Step 4: Simplify right side
    18,723.69x = 367,712,275.75
  5. Step 5: Solve for x
    x = 367,712,275.75/18,723.69
  6. Step 6: Final answer
    x = 19,638.88

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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.