Home / 19,788.87-27,308.64-10,836.35

Finding the Fourth Proportional to 19,788.87, 27,308.64 and 10,836.35

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Solution

The fourth proportional to 19,788.87, 27,308.64 and 10,836.35 is: 14,954.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788.87 : 27,308.64 = 10,836.35 : x
  2. Step 2: Convert to fraction form
    19,788.87/27,308.64 = 10,836.35/x
  3. Step 3: Cross multiply
    19,788.87x = 27,308.64 × 10,836.35
  4. Step 4: Simplify right side
    19,788.87x = 295,925,987.56
  5. Step 5: Solve for x
    x = 295,925,987.56/19,788.87
  6. Step 6: Final answer
    x = 14,954.16

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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.