Home / 11,719.40-16,133.11-9,061.79

Finding the Fourth Proportional to 11,719.40, 16,133.11 and 9,061.79

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Solution

The fourth proportional to 11,719.40, 16,133.11 and 9,061.79 is: 12,474.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719.40 : 16,133.11 = 9,061.79 : x
  2. Step 2: Convert to fraction form
    11,719.40/16,133.11 = 9,061.79/x
  3. Step 3: Cross multiply
    11,719.40x = 16,133.11 × 9,061.79
  4. Step 4: Simplify right side
    11,719.40x = 146,194,751.55
  5. Step 5: Solve for x
    x = 146,194,751.55/11,719.40
  6. Step 6: Final answer
    x = 12,474.60

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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.