Home / 19,715.60-27,206.28-11,757.96

Finding the Fourth Proportional to 19,715.60, 27,206.28 and 11,757.96

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Solution

The fourth proportional to 19,715.60, 27,206.28 and 11,757.96 is: 16,225.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,715.60 : 27,206.28 = 11,757.96 : x
  2. Step 2: Convert to fraction form
    19,715.60/27,206.28 = 11,757.96/x
  3. Step 3: Cross multiply
    19,715.60x = 27,206.28 × 11,757.96
  4. Step 4: Simplify right side
    19,715.60x = 319,890,351.99
  5. Step 5: Solve for x
    x = 319,890,351.99/19,715.60
  6. Step 6: Final answer
    x = 16,225.24

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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.