Home / 19,381.35-29,071.68-11,043.58

Finding the Fourth Proportional to 19,381.35, 29,071.68 and 11,043.58

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Solution

The fourth proportional to 19,381.35, 29,071.68 and 11,043.58 is: 16,565.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,381.35 : 29,071.68 = 11,043.58 : x
  2. Step 2: Convert to fraction form
    19,381.35/29,071.68 = 11,043.58/x
  3. Step 3: Cross multiply
    19,381.35x = 29,071.68 × 11,043.58
  4. Step 4: Simplify right side
    19,381.35x = 321,055,423.81
  5. Step 5: Solve for x
    x = 321,055,423.81/19,381.35
  6. Step 6: Final answer
    x = 16,565.17

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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.