Home / 15,695.23-21,659.51-8,525.18

Finding the Fourth Proportional to 15,695.23, 21,659.51 and 8,525.18

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Solution

The fourth proportional to 15,695.23, 21,659.51 and 8,525.18 is: 11,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,695.23 : 21,659.51 = 8,525.18 : x
  2. Step 2: Convert to fraction form
    15,695.23/21,659.51 = 8,525.18/x
  3. Step 3: Cross multiply
    15,695.23x = 21,659.51 × 8,525.18
  4. Step 4: Simplify right side
    15,695.23x = 184,651,221.46
  5. Step 5: Solve for x
    x = 184,651,221.46/15,695.23
  6. Step 6: Final answer
    x = 11,764.80

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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.