Home / 42,126.84-63,190.08-10,962

Finding the Fourth Proportional to 42,126.84, 63,190.08 and 10,962

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Solution

The fourth proportional to 42,126.84, 63,190.08 and 10,962 is: 16,442.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,126.84 : 63,190.08 = 10,962 : x
  2. Step 2: Convert to fraction form
    42,126.84/63,190.08 = 10,962/x
  3. Step 3: Cross multiply
    42,126.84x = 63,190.08 × 10,962
  4. Step 4: Simplify right side
    42,126.84x = 692,689,656.96
  5. Step 5: Solve for x
    x = 692,689,656.96/42,126.84
  6. Step 6: Final answer
    x = 16,442.95

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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.