Home / 19,788.28-27,308.14-10,835.64

Finding the Fourth Proportional to 19,788.28, 27,308.14 and 10,835.64

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Solution

The fourth proportional to 19,788.28, 27,308.14 and 10,835.64 is: 14,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788.28 : 27,308.14 = 10,835.64 : x
  2. Step 2: Convert to fraction form
    19,788.28/27,308.14 = 10,835.64/x
  3. Step 3: Cross multiply
    19,788.28x = 27,308.14 × 10,835.64
  4. Step 4: Simplify right side
    19,788.28x = 295,901,174.11
  5. Step 5: Solve for x
    x = 295,901,174.11/19,788.28
  6. Step 6: Final answer
    x = 14,953.35

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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.