Home / 11,898.45-16,427.88-10,635.47

Finding the Fourth Proportional to 11,898.45, 16,427.88 and 10,635.47

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Solution

The fourth proportional to 11,898.45, 16,427.88 and 10,635.47 is: 14,684.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,898.45 : 16,427.88 = 10,635.47 : x
  2. Step 2: Convert to fraction form
    11,898.45/16,427.88 = 10,635.47/x
  3. Step 3: Cross multiply
    11,898.45x = 16,427.88 × 10,635.47
  4. Step 4: Simplify right side
    11,898.45x = 174,718,142.76
  5. Step 5: Solve for x
    x = 174,718,142.76/11,898.45
  6. Step 6: Final answer
    x = 14,684.11

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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.