Home / 19,710.63-29,550.24-11,381.20

Finding the Fourth Proportional to 19,710.63, 29,550.24 and 11,381.20

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Solution

The fourth proportional to 19,710.63, 29,550.24 and 11,381.20 is: 17,062.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,710.63 : 29,550.24 = 11,381.20 : x
  2. Step 2: Convert to fraction form
    19,710.63/29,550.24 = 11,381.20/x
  3. Step 3: Cross multiply
    19,710.63x = 29,550.24 × 11,381.20
  4. Step 4: Simplify right side
    19,710.63x = 336,317,191.49
  5. Step 5: Solve for x
    x = 336,317,191.49/19,710.63
  6. Step 6: Final answer
    x = 17,062.73

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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.