Home / 14,573.08-21,839.28-12,813.76

Finding the Fourth Proportional to 14,573.08, 21,839.28 and 12,813.76

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Solution

The fourth proportional to 14,573.08, 21,839.28 and 12,813.76 is: 19,202.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,573.08 : 21,839.28 = 12,813.76 : x
  2. Step 2: Convert to fraction form
    14,573.08/21,839.28 = 12,813.76/x
  3. Step 3: Cross multiply
    14,573.08x = 21,839.28 × 12,813.76
  4. Step 4: Simplify right side
    14,573.08x = 279,843,292.49
  5. Step 5: Solve for x
    x = 279,843,292.49/14,573.08
  6. Step 6: Final answer
    x = 19,202.76

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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.