Home / 18,947.64-26,138.12-14,463.60

Finding the Fourth Proportional to 18,947.64, 26,138.12 and 14,463.60

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Solution

The fourth proportional to 18,947.64, 26,138.12 and 14,463.60 is: 19,952.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,947.64 : 26,138.12 = 14,463.60 : x
  2. Step 2: Convert to fraction form
    18,947.64/26,138.12 = 14,463.60/x
  3. Step 3: Cross multiply
    18,947.64x = 26,138.12 × 14,463.60
  4. Step 4: Simplify right side
    18,947.64x = 378,051,312.43
  5. Step 5: Solve for x
    x = 378,051,312.43/18,947.64
  6. Step 6: Final answer
    x = 19,952.42

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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.