Home / 13,267.71-19,901.43-4,508.78

Finding the Fourth Proportional to 13,267.71, 19,901.43 and 4,508.78

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Solution

The fourth proportional to 13,267.71, 19,901.43 and 4,508.78 is: 6,763.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.71 : 19,901.43 = 4,508.78 : x
  2. Step 2: Convert to fraction form
    13,267.71/19,901.43 = 4,508.78/x
  3. Step 3: Cross multiply
    13,267.71x = 19,901.43 × 4,508.78
  4. Step 4: Simplify right side
    13,267.71x = 89,731,070.05
  5. Step 5: Solve for x
    x = 89,731,070.05/13,267.71
  6. Step 6: Final answer
    x = 6,763.12

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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.