Home / 10,763.88-16,146.02-2,972.89

Finding the Fourth Proportional to 10,763.88, 16,146.02 and 2,972.89

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Solution

The fourth proportional to 10,763.88, 16,146.02 and 2,972.89 is: 4,459.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,763.88 : 16,146.02 = 2,972.89 : x
  2. Step 2: Convert to fraction form
    10,763.88/16,146.02 = 2,972.89/x
  3. Step 3: Cross multiply
    10,763.88x = 16,146.02 × 2,972.89
  4. Step 4: Simplify right side
    10,763.88x = 48,000,341.40
  5. Step 5: Solve for x
    x = 48,000,341.40/10,763.88
  6. Step 6: Final answer
    x = 4,459.39

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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.