Home / 13,854.24-20,784.48-4,620

Finding the Fourth Proportional to 13,854.24, 20,784.48 and 4,620

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Solution

The fourth proportional to 13,854.24, 20,784.48 and 4,620 is: 6,931.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854.24 : 20,784.48 = 4,620 : x
  2. Step 2: Convert to fraction form
    13,854.24/20,784.48 = 4,620/x
  3. Step 3: Cross multiply
    13,854.24x = 20,784.48 × 4,620
  4. Step 4: Simplify right side
    13,854.24x = 96,024,297.60
  5. Step 5: Solve for x
    x = 96,024,297.60/13,854.24
  6. Step 6: Final answer
    x = 6,931.04

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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.