Home / 14,244.55-19,646.27-13,289.63

Finding the Fourth Proportional to 14,244.55, 19,646.27 and 13,289.63

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Solution

The fourth proportional to 14,244.55, 19,646.27 and 13,289.63 is: 18,329.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,244.55 : 19,646.27 = 13,289.63 : x
  2. Step 2: Convert to fraction form
    14,244.55/19,646.27 = 13,289.63/x
  3. Step 3: Cross multiply
    14,244.55x = 19,646.27 × 13,289.63
  4. Step 4: Simplify right side
    14,244.55x = 261,091,544.34
  5. Step 5: Solve for x
    x = 261,091,544.34/14,244.55
  6. Step 6: Final answer
    x = 18,329.23

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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.