Home / 12,627.70-18,950.96-4,737.49

Finding the Fourth Proportional to 12,627.70, 18,950.96 and 4,737.49

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Solution

The fourth proportional to 12,627.70, 18,950.96 and 4,737.49 is: 7,109.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627.70 : 18,950.96 = 4,737.49 : x
  2. Step 2: Convert to fraction form
    12,627.70/18,950.96 = 4,737.49/x
  3. Step 3: Cross multiply
    12,627.70x = 18,950.96 × 4,737.49
  4. Step 4: Simplify right side
    12,627.70x = 89,779,947.96
  5. Step 5: Solve for x
    x = 89,779,947.96/12,627.70
  6. Step 6: Final answer
    x = 7,109.76

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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.