Home / 13,303.49-19,955.22-3,943.58

Finding the Fourth Proportional to 13,303.49, 19,955.22 and 3,943.58

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Solution

The fourth proportional to 13,303.49, 19,955.22 and 3,943.58 is: 5,915.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.49 : 19,955.22 = 3,943.58 : x
  2. Step 2: Convert to fraction form
    13,303.49/19,955.22 = 3,943.58/x
  3. Step 3: Cross multiply
    13,303.49x = 19,955.22 × 3,943.58
  4. Step 4: Simplify right side
    13,303.49x = 78,695,006.49
  5. Step 5: Solve for x
    x = 78,695,006.49/13,303.49
  6. Step 6: Final answer
    x = 5,915.37

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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.