Home / 14,330.27-21,390.59-13,274.93

Finding the Fourth Proportional to 14,330.27, 21,390.59 and 13,274.93

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Solution

The fourth proportional to 14,330.27, 21,390.59 and 13,274.93 is: 19,815.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,330.27 : 21,390.59 = 13,274.93 : x
  2. Step 2: Convert to fraction form
    14,330.27/21,390.59 = 13,274.93/x
  3. Step 3: Cross multiply
    14,330.27x = 21,390.59 × 13,274.93
  4. Step 4: Simplify right side
    14,330.27x = 283,958,584.91
  5. Step 5: Solve for x
    x = 283,958,584.91/14,330.27
  6. Step 6: Final answer
    x = 19,815.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.