Home / 13,531.70-18,673.70-7,563.36

Finding the Fourth Proportional to 13,531.70, 18,673.70 and 7,563.36

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Solution

The fourth proportional to 13,531.70, 18,673.70 and 7,563.36 is: 10,437.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531.70 : 18,673.70 = 7,563.36 : x
  2. Step 2: Convert to fraction form
    13,531.70/18,673.70 = 7,563.36/x
  3. Step 3: Cross multiply
    13,531.70x = 18,673.70 × 7,563.36
  4. Step 4: Simplify right side
    13,531.70x = 141,235,947.84
  5. Step 5: Solve for x
    x = 141,235,947.84/13,531.70
  6. Step 6: Final answer
    x = 10,437.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.