Home / 16,719.81-23,069.55-11,342.98

Finding the Fourth Proportional to 16,719.81, 23,069.55 and 11,342.98

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Solution

The fourth proportional to 16,719.81, 23,069.55 and 11,342.98 is: 15,650.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,719.81 : 23,069.55 = 11,342.98 : x
  2. Step 2: Convert to fraction form
    16,719.81/23,069.55 = 11,342.98/x
  3. Step 3: Cross multiply
    16,719.81x = 23,069.55 × 11,342.98
  4. Step 4: Simplify right side
    16,719.81x = 261,677,387.54
  5. Step 5: Solve for x
    x = 261,677,387.54/16,719.81
  6. Step 6: Final answer
    x = 15,650.74

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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.