Home / 15,179.40-22,741.02-12,729.96

Finding the Fourth Proportional to 15,179.40, 22,741.02 and 12,729.96

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Solution

The fourth proportional to 15,179.40, 22,741.02 and 12,729.96 is: 19,071.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,179.40 : 22,741.02 = 12,729.96 : x
  2. Step 2: Convert to fraction form
    15,179.40/22,741.02 = 12,729.96/x
  3. Step 3: Cross multiply
    15,179.40x = 22,741.02 × 12,729.96
  4. Step 4: Simplify right side
    15,179.40x = 289,492,274.96
  5. Step 5: Solve for x
    x = 289,492,274.96/15,179.40
  6. Step 6: Final answer
    x = 19,071.39

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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.