Home / 18,792.05-28,188.76-6,312.48

Finding the Fourth Proportional to 18,792.05, 28,188.76 and 6,312.48

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Solution

The fourth proportional to 18,792.05, 28,188.76 and 6,312.48 is: 9,468.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792.05 : 28,188.76 = 6,312.48 : x
  2. Step 2: Convert to fraction form
    18,792.05/28,188.76 = 6,312.48/x
  3. Step 3: Cross multiply
    18,792.05x = 28,188.76 × 6,312.48
  4. Step 4: Simplify right side
    18,792.05x = 177,941,032.63
  5. Step 5: Solve for x
    x = 177,941,032.63/18,792.05
  6. Step 6: Final answer
    x = 9,468.95

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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.