Home / 18,970.96-28,461.84-6,492.64

Finding the Fourth Proportional to 18,970.96, 28,461.84 and 6,492.64

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Solution

The fourth proportional to 18,970.96, 28,461.84 and 6,492.64 is: 9,740.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,970.96 : 28,461.84 = 6,492.64 : x
  2. Step 2: Convert to fraction form
    18,970.96/28,461.84 = 6,492.64/x
  3. Step 3: Cross multiply
    18,970.96x = 28,461.84 × 6,492.64
  4. Step 4: Simplify right side
    18,970.96x = 184,792,480.86
  5. Step 5: Solve for x
    x = 184,792,480.86/18,970.96
  6. Step 6: Final answer
    x = 9,740.81

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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.