Home / 18,670.32-25,764.44-10,712.42

Finding the Fourth Proportional to 18,670.32, 25,764.44 and 10,712.42

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Solution

The fourth proportional to 18,670.32, 25,764.44 and 10,712.42 is: 14,782.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,670.32 : 25,764.44 = 10,712.42 : x
  2. Step 2: Convert to fraction form
    18,670.32/25,764.44 = 10,712.42/x
  3. Step 3: Cross multiply
    18,670.32x = 25,764.44 × 10,712.42
  4. Step 4: Simplify right side
    18,670.32x = 275,999,502.34
  5. Step 5: Solve for x
    x = 275,999,502.34/18,670.32
  6. Step 6: Final answer
    x = 14,782.79

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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.