Home / 15,484-21,353.44-11,941.60

Finding the Fourth Proportional to 15,484, 21,353.44 and 11,941.60

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Solution

The fourth proportional to 15,484, 21,353.44 and 11,941.60 is: 16,468.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,484 : 21,353.44 = 11,941.60 : x
  2. Step 2: Convert to fraction form
    15,484/21,353.44 = 11,941.60/x
  3. Step 3: Cross multiply
    15,484x = 21,353.44 × 11,941.60
  4. Step 4: Simplify right side
    15,484x = 254,994,239.10
  5. Step 5: Solve for x
    x = 254,994,239.10/15,484
  6. Step 6: Final answer
    x = 16,468.24

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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.