Home / 18,947.46-26,154.70-14,245.40

Finding the Fourth Proportional to 18,947.46, 26,154.70 and 14,245.40

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Solution

The fourth proportional to 18,947.46, 26,154.70 and 14,245.40 is: 19,664.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,947.46 : 26,154.70 = 14,245.40 : x
  2. Step 2: Convert to fraction form
    18,947.46/26,154.70 = 14,245.40/x
  3. Step 3: Cross multiply
    18,947.46x = 26,154.70 × 14,245.40
  4. Step 4: Simplify right side
    18,947.46x = 372,584,163.38
  5. Step 5: Solve for x
    x = 372,584,163.38/18,947.46
  6. Step 6: Final answer
    x = 19,664.07

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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.