Home / 10,719.54-14,790.55-6,471.29

Finding the Fourth Proportional to 10,719.54, 14,790.55 and 6,471.29

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Solution

The fourth proportional to 10,719.54, 14,790.55 and 6,471.29 is: 8,928.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,719.54 : 14,790.55 = 6,471.29 : x
  2. Step 2: Convert to fraction form
    10,719.54/14,790.55 = 6,471.29/x
  3. Step 3: Cross multiply
    10,719.54x = 14,790.55 × 6,471.29
  4. Step 4: Simplify right side
    10,719.54x = 95,713,938.31
  5. Step 5: Solve for x
    x = 95,713,938.31/10,719.54
  6. Step 6: Final answer
    x = 8,928.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.