Home / 14,582.36-20,123.21-8,209.31

Finding the Fourth Proportional to 14,582.36, 20,123.21 and 8,209.31

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Solution

The fourth proportional to 14,582.36, 20,123.21 and 8,209.31 is: 11,328.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,582.36 : 20,123.21 = 8,209.31 : x
  2. Step 2: Convert to fraction form
    14,582.36/20,123.21 = 8,209.31/x
  3. Step 3: Cross multiply
    14,582.36x = 20,123.21 × 8,209.31
  4. Step 4: Simplify right side
    14,582.36x = 165,197,527.42
  5. Step 5: Solve for x
    x = 165,197,527.42/14,582.36
  6. Step 6: Final answer
    x = 11,328.59

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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.