Home / 13,448.15-20,153.79-6,860.52

Finding the Fourth Proportional to 13,448.15, 20,153.79 and 6,860.52

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Solution

The fourth proportional to 13,448.15, 20,153.79 and 6,860.52 is: 10,281.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448.15 : 20,153.79 = 6,860.52 : x
  2. Step 2: Convert to fraction form
    13,448.15/20,153.79 = 6,860.52/x
  3. Step 3: Cross multiply
    13,448.15x = 20,153.79 × 6,860.52
  4. Step 4: Simplify right side
    13,448.15x = 138,265,479.37
  5. Step 5: Solve for x
    x = 138,265,479.37/13,448.15
  6. Step 6: Final answer
    x = 10,281.38

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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.