Home / 19,127.54-28,677.54-9,645.78

Finding the Fourth Proportional to 19,127.54, 28,677.54 and 9,645.78

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Solution

The fourth proportional to 19,127.54, 28,677.54 and 9,645.78 is: 14,461.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,127.54 : 28,677.54 = 9,645.78 : x
  2. Step 2: Convert to fraction form
    19,127.54/28,677.54 = 9,645.78/x
  3. Step 3: Cross multiply
    19,127.54x = 28,677.54 × 9,645.78
  4. Step 4: Simplify right side
    19,127.54x = 276,617,385.49
  5. Step 5: Solve for x
    x = 276,617,385.49/19,127.54
  6. Step 6: Final answer
    x = 14,461.73

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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.