Home / 10,461.57-15,692.35-2,670.39

Finding the Fourth Proportional to 10,461.57, 15,692.35 and 2,670.39

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Solution

The fourth proportional to 10,461.57, 15,692.35 and 2,670.39 is: 4,005.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,461.57 : 15,692.35 = 2,670.39 : x
  2. Step 2: Convert to fraction form
    10,461.57/15,692.35 = 2,670.39/x
  3. Step 3: Cross multiply
    10,461.57x = 15,692.35 × 2,670.39
  4. Step 4: Simplify right side
    10,461.57x = 41,904,602.70
  5. Step 5: Solve for x
    x = 41,904,602.70/10,461.57
  6. Step 6: Final answer
    x = 4,005.57

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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.