Home / 11,901.66-16,417.62-8,123.63

Finding the Fourth Proportional to 11,901.66, 16,417.62 and 8,123.63

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Solution

The fourth proportional to 11,901.66, 16,417.62 and 8,123.63 is: 11,206.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,901.66 : 16,417.62 = 8,123.63 : x
  2. Step 2: Convert to fraction form
    11,901.66/16,417.62 = 8,123.63/x
  3. Step 3: Cross multiply
    11,901.66x = 16,417.62 × 8,123.63
  4. Step 4: Simplify right side
    11,901.66x = 133,370,588.27
  5. Step 5: Solve for x
    x = 133,370,588.27/11,901.66
  6. Step 6: Final answer
    x = 11,206.05

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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.