Home / 14,148.47-19,505.38-11,286.91

Finding the Fourth Proportional to 14,148.47, 19,505.38 and 11,286.91

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Solution

The fourth proportional to 14,148.47, 19,505.38 and 11,286.91 is: 15,560.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.47 : 19,505.38 = 11,286.91 : x
  2. Step 2: Convert to fraction form
    14,148.47/19,505.38 = 11,286.91/x
  3. Step 3: Cross multiply
    14,148.47x = 19,505.38 × 11,286.91
  4. Step 4: Simplify right side
    14,148.47x = 220,155,485.90
  5. Step 5: Solve for x
    x = 220,155,485.90/14,148.47
  6. Step 6: Final answer
    x = 15,560.37

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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.