Home / 12,582.20-18,860.70-6,332.60

Finding the Fourth Proportional to 12,582.20, 18,860.70 and 6,332.60

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Solution

The fourth proportional to 12,582.20, 18,860.70 and 6,332.60 is: 9,492.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582.20 : 18,860.70 = 6,332.60 : x
  2. Step 2: Convert to fraction form
    12,582.20/18,860.70 = 6,332.60/x
  3. Step 3: Cross multiply
    12,582.20x = 18,860.70 × 6,332.60
  4. Step 4: Simplify right side
    12,582.20x = 119,437,268.82
  5. Step 5: Solve for x
    x = 119,437,268.82/12,582.20
  6. Step 6: Final answer
    x = 9,492.56

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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.