Home / 14,409.42-21,613.92-8,788.74

Finding the Fourth Proportional to 14,409.42, 21,613.92 and 8,788.74

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Solution

The fourth proportional to 14,409.42, 21,613.92 and 8,788.74 is: 13,182.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,409.42 : 21,613.92 = 8,788.74 : x
  2. Step 2: Convert to fraction form
    14,409.42/21,613.92 = 8,788.74/x
  3. Step 3: Cross multiply
    14,409.42x = 21,613.92 × 8,788.74
  4. Step 4: Simplify right side
    14,409.42x = 189,959,123.26
  5. Step 5: Solve for x
    x = 189,959,123.26/14,409.42
  6. Step 6: Final answer
    x = 13,182.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.