Home / 19,127.29-28,695.56-6,645.50

Finding the Fourth Proportional to 19,127.29, 28,695.56 and 6,645.50

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Solution

The fourth proportional to 19,127.29, 28,695.56 and 6,645.50 is: 9,969.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,127.29 : 28,695.56 = 6,645.50 : x
  2. Step 2: Convert to fraction form
    19,127.29/28,695.56 = 6,645.50/x
  3. Step 3: Cross multiply
    19,127.29x = 28,695.56 × 6,645.50
  4. Step 4: Simplify right side
    19,127.29x = 190,696,310.75
  5. Step 5: Solve for x
    x = 190,696,310.75/19,127.29
  6. Step 6: Final answer
    x = 9,969.86

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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.