Home / 13,784.27-19,016.15-9,186.08

Finding the Fourth Proportional to 13,784.27, 19,016.15 and 9,186.08

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Solution

The fourth proportional to 13,784.27, 19,016.15 and 9,186.08 is: 12,672.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784.27 : 19,016.15 = 9,186.08 : x
  2. Step 2: Convert to fraction form
    13,784.27/19,016.15 = 9,186.08/x
  3. Step 3: Cross multiply
    13,784.27x = 19,016.15 × 9,186.08
  4. Step 4: Simplify right side
    13,784.27x = 174,683,734.18
  5. Step 5: Solve for x
    x = 174,683,734.18/13,784.27
  6. Step 6: Final answer
    x = 12,672.69

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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.