Home / 18,946.56-28,412.70-6,293.96

Finding the Fourth Proportional to 18,946.56, 28,412.70 and 6,293.96

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Solution

The fourth proportional to 18,946.56, 28,412.70 and 6,293.96 is: 9,438.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,946.56 : 28,412.70 = 6,293.96 : x
  2. Step 2: Convert to fraction form
    18,946.56/28,412.70 = 6,293.96/x
  3. Step 3: Cross multiply
    18,946.56x = 28,412.70 × 6,293.96
  4. Step 4: Simplify right side
    18,946.56x = 178,828,397.29
  5. Step 5: Solve for x
    x = 178,828,397.29/18,946.56
  6. Step 6: Final answer
    x = 9,438.57

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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.