Home / 11,582.30-15,983.50-6,277.07

Finding the Fourth Proportional to 11,582.30, 15,983.50 and 6,277.07

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Solution

The fourth proportional to 11,582.30, 15,983.50 and 6,277.07 is: 8,662.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,582.30 : 15,983.50 = 6,277.07 : x
  2. Step 2: Convert to fraction form
    11,582.30/15,983.50 = 6,277.07/x
  3. Step 3: Cross multiply
    11,582.30x = 15,983.50 × 6,277.07
  4. Step 4: Simplify right side
    11,582.30x = 100,329,548.35
  5. Step 5: Solve for x
    x = 100,329,548.35/11,582.30
  6. Step 6: Final answer
    x = 8,662.32

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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.