Home / 13,648.36-20,468.18-5,326.36

Finding the Fourth Proportional to 13,648.36, 20,468.18 and 5,326.36

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Solution

The fourth proportional to 13,648.36, 20,468.18 and 5,326.36 is: 7,987.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,648.36 : 20,468.18 = 5,326.36 : x
  2. Step 2: Convert to fraction form
    13,648.36/20,468.18 = 5,326.36/x
  3. Step 3: Cross multiply
    13,648.36x = 20,468.18 × 5,326.36
  4. Step 4: Simplify right side
    13,648.36x = 109,020,895.22
  5. Step 5: Solve for x
    x = 109,020,895.22/13,648.36
  6. Step 6: Final answer
    x = 7,987.84

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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.