Home / 13,530.45-18,671.97-7,562.11

Finding the Fourth Proportional to 13,530.45, 18,671.97 and 7,562.11

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Solution

The fourth proportional to 13,530.45, 18,671.97 and 7,562.11 is: 10,435.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,530.45 : 18,671.97 = 7,562.11 : x
  2. Step 2: Convert to fraction form
    13,530.45/18,671.97 = 7,562.11/x
  3. Step 3: Cross multiply
    13,530.45x = 18,671.97 × 7,562.11
  4. Step 4: Simplify right side
    13,530.45x = 141,199,491.06
  5. Step 5: Solve for x
    x = 141,199,491.06/13,530.45
  6. Step 6: Final answer
    x = 10,435.68

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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.