Home / 14,147.46-19,526.31-8,178.84

Finding the Fourth Proportional to 14,147.46, 19,526.31 and 8,178.84

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Solution

The fourth proportional to 14,147.46, 19,526.31 and 8,178.84 is: 11,288.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.46 : 19,526.31 = 8,178.84 : x
  2. Step 2: Convert to fraction form
    14,147.46/19,526.31 = 8,178.84/x
  3. Step 3: Cross multiply
    14,147.46x = 19,526.31 × 8,178.84
  4. Step 4: Simplify right side
    14,147.46x = 159,702,565.28
  5. Step 5: Solve for x
    x = 159,702,565.28/14,147.46
  6. Step 6: Final answer
    x = 11,288.43

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1.5x scale

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.