Home / 19,935.70-29,903.55-13,714.90

Finding the Fourth Proportional to 19,935.70, 29,903.55 and 13,714.90

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Solution

The fourth proportional to 19,935.70, 29,903.55 and 13,714.90 is: 20,572.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,935.70 : 29,903.55 = 13,714.90 : x
  2. Step 2: Convert to fraction form
    19,935.70/29,903.55 = 13,714.90/x
  3. Step 3: Cross multiply
    19,935.70x = 29,903.55 × 13,714.90
  4. Step 4: Simplify right side
    19,935.70x = 410,124,197.90
  5. Step 5: Solve for x
    x = 410,124,197.90/19,935.70
  6. Step 6: Final answer
    x = 20,572.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.