Home / 19,152.45-28,719.55-6,670.94

Finding the Fourth Proportional to 19,152.45, 28,719.55 and 6,670.94

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Solution

The fourth proportional to 19,152.45, 28,719.55 and 6,670.94 is: 10,003.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152.45 : 28,719.55 = 6,670.94 : x
  2. Step 2: Convert to fraction form
    19,152.45/28,719.55 = 6,670.94/x
  3. Step 3: Cross multiply
    19,152.45x = 28,719.55 × 6,670.94
  4. Step 4: Simplify right side
    19,152.45x = 191,586,383.64
  5. Step 5: Solve for x
    x = 191,586,383.64/19,152.45
  6. Step 6: Final answer
    x = 10,003.23

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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.