Home / 13,377.60-18,476.64-12,600

Finding the Fourth Proportional to 13,377.60, 18,476.64 and 12,600

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Solution

The fourth proportional to 13,377.60, 18,476.64 and 12,600 is: 17,402.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,377.60 : 18,476.64 = 12,600 : x
  2. Step 2: Convert to fraction form
    13,377.60/18,476.64 = 12,600/x
  3. Step 3: Cross multiply
    13,377.60x = 18,476.64 × 12,600
  4. Step 4: Simplify right side
    13,377.60x = 232,805,664
  5. Step 5: Solve for x
    x = 232,805,664/13,377.60
  6. Step 6: Final answer
    x = 17,402.65

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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.