Home / 10,153.20-14,011.32-5,676.90

Finding the Fourth Proportional to 10,153.20, 14,011.32 and 5,676.90

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Solution

The fourth proportional to 10,153.20, 14,011.32 and 5,676.90 is: 7,834.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,153.20 : 14,011.32 = 5,676.90 : x
  2. Step 2: Convert to fraction form
    10,153.20/14,011.32 = 5,676.90/x
  3. Step 3: Cross multiply
    10,153.20x = 14,011.32 × 5,676.90
  4. Step 4: Simplify right side
    10,153.20x = 79,540,862.51
  5. Step 5: Solve for x
    x = 79,540,862.51/10,153.20
  6. Step 6: Final answer
    x = 7,834.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.