Home / 10,007.28-13,805.37-6,651.72

Finding the Fourth Proportional to 10,007.28, 13,805.37 and 6,651.72

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Solution

The fourth proportional to 10,007.28, 13,805.37 and 6,651.72 is: 9,176.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,007.28 : 13,805.37 = 6,651.72 : x
  2. Step 2: Convert to fraction form
    10,007.28/13,805.37 = 6,651.72/x
  3. Step 3: Cross multiply
    10,007.28x = 13,805.37 × 6,651.72
  4. Step 4: Simplify right side
    10,007.28x = 91,829,455.74
  5. Step 5: Solve for x
    x = 91,829,455.74/10,007.28
  6. Step 6: Final answer
    x = 9,176.27

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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.