Home / 14,582.52-20,120.67-9,285.12

Finding the Fourth Proportional to 14,582.52, 20,120.67 and 9,285.12

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Solution

The fourth proportional to 14,582.52, 20,120.67 and 9,285.12 is: 12,811.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,582.52 : 20,120.67 = 9,285.12 : x
  2. Step 2: Convert to fraction form
    14,582.52/20,120.67 = 9,285.12/x
  3. Step 3: Cross multiply
    14,582.52x = 20,120.67 × 9,285.12
  4. Step 4: Simplify right side
    14,582.52x = 186,822,835.43
  5. Step 5: Solve for x
    x = 186,822,835.43/14,582.52
  6. Step 6: Final answer
    x = 12,811.42

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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.