Home / 15,788.99-21,797.01-11,535.28

Finding the Fourth Proportional to 15,788.99, 21,797.01 and 11,535.28

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Solution

The fourth proportional to 15,788.99, 21,797.01 and 11,535.28 is: 15,924.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,788.99 : 21,797.01 = 11,535.28 : x
  2. Step 2: Convert to fraction form
    15,788.99/21,797.01 = 11,535.28/x
  3. Step 3: Cross multiply
    15,788.99x = 21,797.01 × 11,535.28
  4. Step 4: Simplify right side
    15,788.99x = 251,434,559.02
  5. Step 5: Solve for x
    x = 251,434,559.02/15,788.99
  6. Step 6: Final answer
    x = 15,924.67

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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.