Home / 12,966.19-19,453.37-4,640.53

Finding the Fourth Proportional to 12,966.19, 19,453.37 and 4,640.53

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Solution

The fourth proportional to 12,966.19, 19,453.37 and 4,640.53 is: 6,962.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,966.19 : 19,453.37 = 4,640.53 : x
  2. Step 2: Convert to fraction form
    12,966.19/19,453.37 = 4,640.53/x
  3. Step 3: Cross multiply
    12,966.19x = 19,453.37 × 4,640.53
  4. Step 4: Simplify right side
    12,966.19x = 90,273,947.09
  5. Step 5: Solve for x
    x = 90,273,947.09/12,966.19
  6. Step 6: Final answer
    x = 6,962.26

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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.