Home / 20,582.19-28,404.53-11,630.07

Finding the Fourth Proportional to 20,582.19, 28,404.53 and 11,630.07

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Solution

The fourth proportional to 20,582.19, 28,404.53 and 11,630.07 is: 16,050.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,582.19 : 28,404.53 = 11,630.07 : x
  2. Step 2: Convert to fraction form
    20,582.19/28,404.53 = 11,630.07/x
  3. Step 3: Cross multiply
    20,582.19x = 28,404.53 × 11,630.07
  4. Step 4: Simplify right side
    20,582.19x = 330,346,672.22
  5. Step 5: Solve for x
    x = 330,346,672.22/20,582.19
  6. Step 6: Final answer
    x = 16,050.12

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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.