Home / 11,325.27-15,629.28-6,289.58

Finding the Fourth Proportional to 11,325.27, 15,629.28 and 6,289.58

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Solution

The fourth proportional to 11,325.27, 15,629.28 and 6,289.58 is: 8,679.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.27 : 15,629.28 = 6,289.58 : x
  2. Step 2: Convert to fraction form
    11,325.27/15,629.28 = 6,289.58/x
  3. Step 3: Cross multiply
    11,325.27x = 15,629.28 × 6,289.58
  4. Step 4: Simplify right side
    11,325.27x = 98,301,528.76
  5. Step 5: Solve for x
    x = 98,301,528.76/11,325.27
  6. Step 6: Final answer
    x = 8,679.84

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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.