Home / 11,912.02-16,437.93-6,606.70

Finding the Fourth Proportional to 11,912.02, 16,437.93 and 6,606.70

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Solution

The fourth proportional to 11,912.02, 16,437.93 and 6,606.70 is: 9,116.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,912.02 : 16,437.93 = 6,606.70 : x
  2. Step 2: Convert to fraction form
    11,912.02/16,437.93 = 6,606.70/x
  3. Step 3: Cross multiply
    11,912.02x = 16,437.93 × 6,606.70
  4. Step 4: Simplify right side
    11,912.02x = 108,600,472.13
  5. Step 5: Solve for x
    x = 108,600,472.13/11,912.02
  6. Step 6: Final answer
    x = 9,116.88

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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.