Home / 18,947.69-26,146.59-10,449.84

Finding the Fourth Proportional to 18,947.69, 26,146.59 and 10,449.84

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Solution

The fourth proportional to 18,947.69, 26,146.59 and 10,449.84 is: 14,420.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,947.69 : 26,146.59 = 10,449.84 : x
  2. Step 2: Convert to fraction form
    18,947.69/26,146.59 = 10,449.84/x
  3. Step 3: Cross multiply
    18,947.69x = 26,146.59 × 10,449.84
  4. Step 4: Simplify right side
    18,947.69x = 273,227,682.05
  5. Step 5: Solve for x
    x = 273,227,682.05/18,947.69
  6. Step 6: Final answer
    x = 14,420.11

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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.