Home / 19,488.64-26,895.36-11,103.36

Finding the Fourth Proportional to 19,488.64, 26,895.36 and 11,103.36

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Solution

The fourth proportional to 19,488.64, 26,895.36 and 11,103.36 is: 15,323.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488.64 : 26,895.36 = 11,103.36 : x
  2. Step 2: Convert to fraction form
    19,488.64/26,895.36 = 11,103.36/x
  3. Step 3: Cross multiply
    19,488.64x = 26,895.36 × 11,103.36
  4. Step 4: Simplify right side
    19,488.64x = 298,628,864.41
  5. Step 5: Solve for x
    x = 298,628,864.41/19,488.64
  6. Step 6: Final answer
    x = 15,323.23

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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.