Home / 21,393.59-29,530.58-14,701.37

Finding the Fourth Proportional to 21,393.59, 29,530.58 and 14,701.37

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Solution

The fourth proportional to 21,393.59, 29,530.58 and 14,701.37 is: 20,292.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,393.59 : 29,530.58 = 14,701.37 : x
  2. Step 2: Convert to fraction form
    21,393.59/29,530.58 = 14,701.37/x
  3. Step 3: Cross multiply
    21,393.59x = 29,530.58 × 14,701.37
  4. Step 4: Simplify right side
    21,393.59x = 434,139,761.73
  5. Step 5: Solve for x
    x = 434,139,761.73/21,393.59
  6. Step 6: Final answer
    x = 20,292.99

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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.