Home / 13,118.23-19,671.54-3,756.12

Finding the Fourth Proportional to 13,118.23, 19,671.54 and 3,756.12

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Solution

The fourth proportional to 13,118.23, 19,671.54 and 3,756.12 is: 5,632.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118.23 : 19,671.54 = 3,756.12 : x
  2. Step 2: Convert to fraction form
    13,118.23/19,671.54 = 3,756.12/x
  3. Step 3: Cross multiply
    13,118.23x = 19,671.54 × 3,756.12
  4. Step 4: Simplify right side
    13,118.23x = 73,888,598.10
  5. Step 5: Solve for x
    x = 73,888,598.10/13,118.23
  6. Step 6: Final answer
    x = 5,632.51

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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.