Home / 10,994.18-16,492.06-4,420.40

Finding the Fourth Proportional to 10,994.18, 16,492.06 and 4,420.40

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Solution

The fourth proportional to 10,994.18, 16,492.06 and 4,420.40 is: 6,630.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,994.18 : 16,492.06 = 4,420.40 : x
  2. Step 2: Convert to fraction form
    10,994.18/16,492.06 = 4,420.40/x
  3. Step 3: Cross multiply
    10,994.18x = 16,492.06 × 4,420.40
  4. Step 4: Simplify right side
    10,994.18x = 72,901,502.02
  5. Step 5: Solve for x
    x = 72,901,502.02/10,994.18
  6. Step 6: Final answer
    x = 6,630.92

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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.