Home / 13,927.64-19,218.93-8,184.48

Finding the Fourth Proportional to 13,927.64, 19,218.93 and 8,184.48

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Solution

The fourth proportional to 13,927.64, 19,218.93 and 8,184.48 is: 11,293.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,927.64 : 19,218.93 = 8,184.48 : x
  2. Step 2: Convert to fraction form
    13,927.64/19,218.93 = 8,184.48/x
  3. Step 3: Cross multiply
    13,927.64x = 19,218.93 × 8,184.48
  4. Step 4: Simplify right side
    13,927.64x = 157,296,948.21
  5. Step 5: Solve for x
    x = 157,296,948.21/13,927.64
  6. Step 6: Final answer
    x = 11,293.87

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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.