Home / 14,777.36-20,393.16-8,809.52

Finding the Fourth Proportional to 14,777.36, 20,393.16 and 8,809.52

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Solution

The fourth proportional to 14,777.36, 20,393.16 and 8,809.52 is: 12,157.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,777.36 : 20,393.16 = 8,809.52 : x
  2. Step 2: Convert to fraction form
    14,777.36/20,393.16 = 8,809.52/x
  3. Step 3: Cross multiply
    14,777.36x = 20,393.16 × 8,809.52
  4. Step 4: Simplify right side
    14,777.36x = 179,653,950.88
  5. Step 5: Solve for x
    x = 179,653,950.88/14,777.36
  6. Step 6: Final answer
    x = 12,157.38

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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.