Home / 19,701.04-27,186.96-11,318.08

Finding the Fourth Proportional to 19,701.04, 27,186.96 and 11,318.08

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Solution

The fourth proportional to 19,701.04, 27,186.96 and 11,318.08 is: 15,618.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.04 : 27,186.96 = 11,318.08 : x
  2. Step 2: Convert to fraction form
    19,701.04/27,186.96 = 11,318.08/x
  3. Step 3: Cross multiply
    19,701.04x = 27,186.96 × 11,318.08
  4. Step 4: Simplify right side
    19,701.04x = 307,704,188.24
  5. Step 5: Solve for x
    x = 307,704,188.24/19,701.04
  6. Step 6: Final answer
    x = 15,618.68

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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.