Home / 14,418.48-21,610.35-9,423.21

Finding the Fourth Proportional to 14,418.48, 21,610.35 and 9,423.21

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Solution

The fourth proportional to 14,418.48, 21,610.35 and 9,423.21 is: 14,123.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418.48 : 21,610.35 = 9,423.21 : x
  2. Step 2: Convert to fraction form
    14,418.48/21,610.35 = 9,423.21/x
  3. Step 3: Cross multiply
    14,418.48x = 21,610.35 × 9,423.21
  4. Step 4: Simplify right side
    14,418.48x = 203,638,866.22
  5. Step 5: Solve for x
    x = 203,638,866.22/14,418.48
  6. Step 6: Final answer
    x = 14,123.46

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1.5x scale

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.