Home / 10,149.05-14,011.84-6,618.41

Finding the Fourth Proportional to 10,149.05, 14,011.84 and 6,618.41

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Solution

The fourth proportional to 10,149.05, 14,011.84 and 6,618.41 is: 9,137.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,149.05 : 14,011.84 = 6,618.41 : x
  2. Step 2: Convert to fraction form
    10,149.05/14,011.84 = 6,618.41/x
  3. Step 3: Cross multiply
    10,149.05x = 14,011.84 × 6,618.41
  4. Step 4: Simplify right side
    10,149.05x = 92,736,055.50
  5. Step 5: Solve for x
    x = 92,736,055.50/10,149.05
  6. Step 6: Final answer
    x = 9,137.42

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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.