Home / 11,146.82-15,384.02-6,673.03

Finding the Fourth Proportional to 11,146.82, 15,384.02 and 6,673.03

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Solution

The fourth proportional to 11,146.82, 15,384.02 and 6,673.03 is: 9,209.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.82 : 15,384.02 = 6,673.03 : x
  2. Step 2: Convert to fraction form
    11,146.82/15,384.02 = 6,673.03/x
  3. Step 3: Cross multiply
    11,146.82x = 15,384.02 × 6,673.03
  4. Step 4: Simplify right side
    11,146.82x = 102,657,955.16
  5. Step 5: Solve for x
    x = 102,657,955.16/11,146.82
  6. Step 6: Final answer
    x = 9,209.62

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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.