Home / 12,453.36-18,675.18-5,435.52

Finding the Fourth Proportional to 12,453.36, 18,675.18 and 5,435.52

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Solution

The fourth proportional to 12,453.36, 18,675.18 and 5,435.52 is: 8,151.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,453.36 : 18,675.18 = 5,435.52 : x
  2. Step 2: Convert to fraction form
    12,453.36/18,675.18 = 5,435.52/x
  3. Step 3: Cross multiply
    12,453.36x = 18,675.18 × 5,435.52
  4. Step 4: Simplify right side
    12,453.36x = 101,509,314.39
  5. Step 5: Solve for x
    x = 101,509,314.39/12,453.36
  6. Step 6: Final answer
    x = 8,151.16

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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.