Home / 11,629.28-16,041.84-6,915.08

Finding the Fourth Proportional to 11,629.28, 16,041.84 and 6,915.08

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Solution

The fourth proportional to 11,629.28, 16,041.84 and 6,915.08 is: 9,538.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,629.28 : 16,041.84 = 6,915.08 : x
  2. Step 2: Convert to fraction form
    11,629.28/16,041.84 = 6,915.08/x
  3. Step 3: Cross multiply
    11,629.28x = 16,041.84 × 6,915.08
  4. Step 4: Simplify right side
    11,629.28x = 110,930,606.95
  5. Step 5: Solve for x
    x = 110,930,606.95/11,629.28
  6. Step 6: Final answer
    x = 9,538.91

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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.