Home / 19,303.56-28,956.96-6,157.80

Finding the Fourth Proportional to 19,303.56, 28,956.96 and 6,157.80

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Solution

The fourth proportional to 19,303.56, 28,956.96 and 6,157.80 is: 9,237.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303.56 : 28,956.96 = 6,157.80 : x
  2. Step 2: Convert to fraction form
    19,303.56/28,956.96 = 6,157.80/x
  3. Step 3: Cross multiply
    19,303.56x = 28,956.96 × 6,157.80
  4. Step 4: Simplify right side
    19,303.56x = 178,311,168.29
  5. Step 5: Solve for x
    x = 178,311,168.29/19,303.56
  6. Step 6: Final answer
    x = 9,237.22

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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.