Home / 19,003.46-28,505.20-5,152.46

Finding the Fourth Proportional to 19,003.46, 28,505.20 and 5,152.46

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Solution

The fourth proportional to 19,003.46, 28,505.20 and 5,152.46 is: 7,728.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,003.46 : 28,505.20 = 5,152.46 : x
  2. Step 2: Convert to fraction form
    19,003.46/28,505.20 = 5,152.46/x
  3. Step 3: Cross multiply
    19,003.46x = 28,505.20 × 5,152.46
  4. Step 4: Simplify right side
    19,003.46x = 146,871,902.79
  5. Step 5: Solve for x
    x = 146,871,902.79/19,003.46
  6. Step 6: Final answer
    x = 7,728.69

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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.