Home / 10,387.41-14,332.94-6,137.88

Finding the Fourth Proportional to 10,387.41, 14,332.94 and 6,137.88

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Solution

The fourth proportional to 10,387.41, 14,332.94 and 6,137.88 is: 8,469.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387.41 : 14,332.94 = 6,137.88 : x
  2. Step 2: Convert to fraction form
    10,387.41/14,332.94 = 6,137.88/x
  3. Step 3: Cross multiply
    10,387.41x = 14,332.94 × 6,137.88
  4. Step 4: Simplify right side
    10,387.41x = 87,973,835.08
  5. Step 5: Solve for x
    x = 87,973,835.08/10,387.41
  6. Step 6: Final answer
    x = 8,469.28

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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.