Home / 15,026.34-20,738.82-8,742.36

Finding the Fourth Proportional to 15,026.34, 20,738.82 and 8,742.36

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Solution

The fourth proportional to 15,026.34, 20,738.82 and 8,742.36 is: 12,065.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,026.34 : 20,738.82 = 8,742.36 : x
  2. Step 2: Convert to fraction form
    15,026.34/20,738.82 = 8,742.36/x
  3. Step 3: Cross multiply
    15,026.34x = 20,738.82 × 8,742.36
  4. Step 4: Simplify right side
    15,026.34x = 181,306,230.42
  5. Step 5: Solve for x
    x = 181,306,230.42/15,026.34
  6. Step 6: Final answer
    x = 12,065.89

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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.