Home / 11,325.58-15,628.77-6,290.12

Finding the Fourth Proportional to 11,325.58, 15,628.77 and 6,290.12

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Solution

The fourth proportional to 11,325.58, 15,628.77 and 6,290.12 is: 8,680.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.58 : 15,628.77 = 6,290.12 : x
  2. Step 2: Convert to fraction form
    11,325.58/15,628.77 = 6,290.12/x
  3. Step 3: Cross multiply
    11,325.58x = 15,628.77 × 6,290.12
  4. Step 4: Simplify right side
    11,325.58x = 98,306,838.75
  5. Step 5: Solve for x
    x = 98,306,838.75/11,325.58
  6. Step 6: Final answer
    x = 8,680.07

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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.