Home / 14,573.12-20,119.20-9,619.52

Finding the Fourth Proportional to 14,573.12, 20,119.20 and 9,619.52

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Solution

The fourth proportional to 14,573.12, 20,119.20 and 9,619.52 is: 13,280.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,573.12 : 20,119.20 = 9,619.52 : x
  2. Step 2: Convert to fraction form
    14,573.12/20,119.20 = 9,619.52/x
  3. Step 3: Cross multiply
    14,573.12x = 20,119.20 × 9,619.52
  4. Step 4: Simplify right side
    14,573.12x = 193,537,046.78
  5. Step 5: Solve for x
    x = 193,537,046.78/14,573.12
  6. Step 6: Final answer
    x = 13,280.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.