Home / 13,448.43-20,154.15-6,860.77

Finding the Fourth Proportional to 13,448.43, 20,154.15 and 6,860.77

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Solution

The fourth proportional to 13,448.43, 20,154.15 and 6,860.77 is: 10,281.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448.43 : 20,154.15 = 6,860.77 : x
  2. Step 2: Convert to fraction form
    13,448.43/20,154.15 = 6,860.77/x
  3. Step 3: Cross multiply
    13,448.43x = 20,154.15 × 6,860.77
  4. Step 4: Simplify right side
    13,448.43x = 138,272,937.31
  5. Step 5: Solve for x
    x = 138,272,937.31/13,448.43
  6. Step 6: Final answer
    x = 10,281.72

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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.