Home / 19,438.92-26,813.03-11,474.60

Finding the Fourth Proportional to 19,438.92, 26,813.03 and 11,474.60

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Solution

The fourth proportional to 19,438.92, 26,813.03 and 11,474.60 is: 15,827.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,438.92 : 26,813.03 = 11,474.60 : x
  2. Step 2: Convert to fraction form
    19,438.92/26,813.03 = 11,474.60/x
  3. Step 3: Cross multiply
    19,438.92x = 26,813.03 × 11,474.60
  4. Step 4: Simplify right side
    19,438.92x = 307,668,602.60
  5. Step 5: Solve for x
    x = 307,668,602.60/19,438.92
  6. Step 6: Final answer
    x = 15,827.45

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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.