Home / 14,390.89-19,862.49-9,672.44

Finding the Fourth Proportional to 14,390.89, 19,862.49 and 9,672.44

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Solution

The fourth proportional to 14,390.89, 19,862.49 and 9,672.44 is: 13,350.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.89 : 19,862.49 = 9,672.44 : x
  2. Step 2: Convert to fraction form
    14,390.89/19,862.49 = 9,672.44/x
  3. Step 3: Cross multiply
    14,390.89x = 19,862.49 × 9,672.44
  4. Step 4: Simplify right side
    14,390.89x = 192,118,742.78
  5. Step 5: Solve for x
    x = 192,118,742.78/14,390.89
  6. Step 6: Final answer
    x = 13,350.03

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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.