Home / 15,695.99-21,660.36-8,525.84

Finding the Fourth Proportional to 15,695.99, 21,660.36 and 8,525.84

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Solution

The fourth proportional to 15,695.99, 21,660.36 and 8,525.84 is: 11,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,695.99 : 21,660.36 = 8,525.84 : x
  2. Step 2: Convert to fraction form
    15,695.99/21,660.36 = 8,525.84/x
  3. Step 3: Cross multiply
    15,695.99x = 21,660.36 × 8,525.84
  4. Step 4: Simplify right side
    15,695.99x = 184,672,655.40
  5. Step 5: Solve for x
    x = 184,672,655.40/15,695.99
  6. Step 6: Final answer
    x = 11,765.60

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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.