Home / 10,891.09-16,334.67-2,885.91

Finding the Fourth Proportional to 10,891.09, 16,334.67 and 2,885.91

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Solution

The fourth proportional to 10,891.09, 16,334.67 and 2,885.91 is: 4,328.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891.09 : 16,334.67 = 2,885.91 : x
  2. Step 2: Convert to fraction form
    10,891.09/16,334.67 = 2,885.91/x
  3. Step 3: Cross multiply
    10,891.09x = 16,334.67 × 2,885.91
  4. Step 4: Simplify right side
    10,891.09x = 47,140,337.07
  5. Step 5: Solve for x
    x = 47,140,337.07/10,891.09
  6. Step 6: Final answer
    x = 4,328.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.