Home / 10,671.54-14,721.50-6,897.94

Finding the Fourth Proportional to 10,671.54, 14,721.50 and 6,897.94

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Solution

The fourth proportional to 10,671.54, 14,721.50 and 6,897.94 is: 9,515.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,671.54 : 14,721.50 = 6,897.94 : x
  2. Step 2: Convert to fraction form
    10,671.54/14,721.50 = 6,897.94/x
  3. Step 3: Cross multiply
    10,671.54x = 14,721.50 × 6,897.94
  4. Step 4: Simplify right side
    10,671.54x = 101,548,023.71
  5. Step 5: Solve for x
    x = 101,548,023.71/10,671.54
  6. Step 6: Final answer
    x = 9,515.78

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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.