Home / 14,175.09-21,265.52-4,947.57

Finding the Fourth Proportional to 14,175.09, 21,265.52 and 4,947.57

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Solution

The fourth proportional to 14,175.09, 21,265.52 and 4,947.57 is: 7,422.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,175.09 : 21,265.52 = 4,947.57 : x
  2. Step 2: Convert to fraction form
    14,175.09/21,265.52 = 4,947.57/x
  3. Step 3: Cross multiply
    14,175.09x = 21,265.52 × 4,947.57
  4. Step 4: Simplify right side
    14,175.09x = 105,212,624.05
  5. Step 5: Solve for x
    x = 105,212,624.05/14,175.09
  6. Step 6: Final answer
    x = 7,422.36

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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.