Home / 12,752.67-19,128.48-4,434.57

Finding the Fourth Proportional to 12,752.67, 19,128.48 and 4,434.57

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Solution

The fourth proportional to 12,752.67, 19,128.48 and 4,434.57 is: 6,651.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,752.67 : 19,128.48 = 4,434.57 : x
  2. Step 2: Convert to fraction form
    12,752.67/19,128.48 = 4,434.57/x
  3. Step 3: Cross multiply
    12,752.67x = 19,128.48 × 4,434.57
  4. Step 4: Simplify right side
    12,752.67x = 84,826,583.55
  5. Step 5: Solve for x
    x = 84,826,583.55/12,752.67
  6. Step 6: Final answer
    x = 6,651.67

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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.