Home / 12,459.90-18,682.95-4,955.85

Finding the Fourth Proportional to 12,459.90, 18,682.95 and 4,955.85

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Solution

The fourth proportional to 12,459.90, 18,682.95 and 4,955.85 is: 7,431.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459.90 : 18,682.95 = 4,955.85 : x
  2. Step 2: Convert to fraction form
    12,459.90/18,682.95 = 4,955.85/x
  3. Step 3: Cross multiply
    12,459.90x = 18,682.95 × 4,955.85
  4. Step 4: Simplify right side
    12,459.90x = 92,589,897.76
  5. Step 5: Solve for x
    x = 92,589,897.76/12,459.90
  6. Step 6: Final answer
    x = 7,431.03

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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.