Home / 14,274.52-19,699.28-7,986.92

Finding the Fourth Proportional to 14,274.52, 19,699.28 and 7,986.92

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Solution

The fourth proportional to 14,274.52, 19,699.28 and 7,986.92 is: 11,022.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274.52 : 19,699.28 = 7,986.92 : x
  2. Step 2: Convert to fraction form
    14,274.52/19,699.28 = 7,986.92/x
  3. Step 3: Cross multiply
    14,274.52x = 19,699.28 × 7,986.92
  4. Step 4: Simplify right side
    14,274.52x = 157,336,573.42
  5. Step 5: Solve for x
    x = 157,336,573.42/14,274.52
  6. Step 6: Final answer
    x = 11,022.20

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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.