Home / 14,764.78-20,374.92-8,795.08

Finding the Fourth Proportional to 14,764.78, 20,374.92 and 8,795.08

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Solution

The fourth proportional to 14,764.78, 20,374.92 and 8,795.08 is: 12,136.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,764.78 : 20,374.92 = 8,795.08 : x
  2. Step 2: Convert to fraction form
    14,764.78/20,374.92 = 8,795.08/x
  3. Step 3: Cross multiply
    14,764.78x = 20,374.92 × 8,795.08
  4. Step 4: Simplify right side
    14,764.78x = 179,199,051.39
  5. Step 5: Solve for x
    x = 179,199,051.39/14,764.78
  6. Step 6: Final answer
    x = 12,136.93

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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.