Home / 20,582.60-30,873.89-9,486

Finding the Fourth Proportional to 20,582.60, 30,873.89 and 9,486

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Solution

The fourth proportional to 20,582.60, 30,873.89 and 9,486 is: 14,229.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,582.60 : 30,873.89 = 9,486 : x
  2. Step 2: Convert to fraction form
    20,582.60/30,873.89 = 9,486/x
  3. Step 3: Cross multiply
    20,582.60x = 30,873.89 × 9,486
  4. Step 4: Simplify right side
    20,582.60x = 292,869,673.11
  5. Step 5: Solve for x
    x = 292,869,673.11/20,582.60
  6. Step 6: Final answer
    x = 14,229.00

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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.