Home / 21,623.24-32,434.82-9,140

Finding the Fourth Proportional to 21,623.24, 32,434.82 and 9,140

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Solution

The fourth proportional to 21,623.24, 32,434.82 and 9,140 is: 13,709.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,623.24 : 32,434.82 = 9,140 : x
  2. Step 2: Convert to fraction form
    21,623.24/32,434.82 = 9,140/x
  3. Step 3: Cross multiply
    21,623.24x = 32,434.82 × 9,140
  4. Step 4: Simplify right side
    21,623.24x = 296,454,254.80
  5. Step 5: Solve for x
    x = 296,454,254.80/21,623.24
  6. Step 6: Final answer
    x = 13,709.98

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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.