Home / 10,999.15-16,492.65-4,758.10

Finding the Fourth Proportional to 10,999.15, 16,492.65 and 4,758.10

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Solution

The fourth proportional to 10,999.15, 16,492.65 and 4,758.10 is: 7,134.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.15 : 16,492.65 = 4,758.10 : x
  2. Step 2: Convert to fraction form
    10,999.15/16,492.65 = 4,758.10/x
  3. Step 3: Cross multiply
    10,999.15x = 16,492.65 × 4,758.10
  4. Step 4: Simplify right side
    10,999.15x = 78,473,677.97
  5. Step 5: Solve for x
    x = 78,473,677.97/10,999.15
  6. Step 6: Final answer
    x = 7,134.52

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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.