Home / 19,107.81-26,367.06-11,148.50

Finding the Fourth Proportional to 19,107.81, 26,367.06 and 11,148.50

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Solution

The fourth proportional to 19,107.81, 26,367.06 and 11,148.50 is: 15,383.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,107.81 : 26,367.06 = 11,148.50 : x
  2. Step 2: Convert to fraction form
    19,107.81/26,367.06 = 11,148.50/x
  3. Step 3: Cross multiply
    19,107.81x = 26,367.06 × 11,148.50
  4. Step 4: Simplify right side
    19,107.81x = 293,953,036.57
  5. Step 5: Solve for x
    x = 293,953,036.57/19,107.81
  6. Step 6: Final answer
    x = 15,383.92

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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.