Home / 19,110.76-28,669.74-5,960.20

Finding the Fourth Proportional to 19,110.76, 28,669.74 and 5,960.20

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Solution

The fourth proportional to 19,110.76, 28,669.74 and 5,960.20 is: 8,941.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,110.76 : 28,669.74 = 5,960.20 : x
  2. Step 2: Convert to fraction form
    19,110.76/28,669.74 = 5,960.20/x
  3. Step 3: Cross multiply
    19,110.76x = 28,669.74 × 5,960.20
  4. Step 4: Simplify right side
    19,110.76x = 170,877,384.35
  5. Step 5: Solve for x
    x = 170,877,384.35/19,110.76
  6. Step 6: Final answer
    x = 8,941.42

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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.