Home / 11,283.08-15,562.94-7,740.14

Finding the Fourth Proportional to 11,283.08, 15,562.94 and 7,740.14

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Solution

The fourth proportional to 11,283.08, 15,562.94 and 7,740.14 is: 10,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,283.08 : 15,562.94 = 7,740.14 : x
  2. Step 2: Convert to fraction form
    11,283.08/15,562.94 = 7,740.14/x
  3. Step 3: Cross multiply
    11,283.08x = 15,562.94 × 7,740.14
  4. Step 4: Simplify right side
    11,283.08x = 120,459,217.90
  5. Step 5: Solve for x
    x = 120,459,217.90/11,283.08
  6. Step 6: Final answer
    x = 10,676.10

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1.5x scale

Why These Related Problems?

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