Home / 11,325.12-15,628.56-6,357.12

Finding the Fourth Proportional to 11,325.12, 15,628.56 and 6,357.12

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Solution

The fourth proportional to 11,325.12, 15,628.56 and 6,357.12 is: 8,772.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.12 : 15,628.56 = 6,357.12 : x
  2. Step 2: Convert to fraction form
    11,325.12/15,628.56 = 6,357.12/x
  3. Step 3: Cross multiply
    11,325.12x = 15,628.56 × 6,357.12
  4. Step 4: Simplify right side
    11,325.12x = 99,352,631.35
  5. Step 5: Solve for x
    x = 99,352,631.35/11,325.12
  6. Step 6: Final answer
    x = 8,772.77

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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.