Home / 19,528.08-26,947.80-11,142.96

Finding the Fourth Proportional to 19,528.08, 26,947.80 and 11,142.96

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Solution

The fourth proportional to 19,528.08, 26,947.80 and 11,142.96 is: 15,376.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,528.08 : 26,947.80 = 11,142.96 : x
  2. Step 2: Convert to fraction form
    19,528.08/26,947.80 = 11,142.96/x
  3. Step 3: Cross multiply
    19,528.08x = 26,947.80 × 11,142.96
  4. Step 4: Simplify right side
    19,528.08x = 300,278,257.49
  5. Step 5: Solve for x
    x = 300,278,257.49/19,528.08
  6. Step 6: Final answer
    x = 15,376.74

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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.