Home / 18,947.32-28,405.56-7,094.46

Finding the Fourth Proportional to 18,947.32, 28,405.56 and 7,094.46

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Solution

The fourth proportional to 18,947.32, 28,405.56 and 7,094.46 is: 10,635.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,947.32 : 28,405.56 = 7,094.46 : x
  2. Step 2: Convert to fraction form
    18,947.32/28,405.56 = 7,094.46/x
  3. Step 3: Cross multiply
    18,947.32x = 28,405.56 × 7,094.46
  4. Step 4: Simplify right side
    18,947.32x = 201,522,142.48
  5. Step 5: Solve for x
    x = 201,522,142.48/18,947.32
  6. Step 6: Final answer
    x = 10,635.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.