Home / 10,740.30-16,110.45-7,459.80

Finding the Fourth Proportional to 10,740.30, 16,110.45 and 7,459.80

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Solution

The fourth proportional to 10,740.30, 16,110.45 and 7,459.80 is: 11,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,740.30 : 16,110.45 = 7,459.80 : x
  2. Step 2: Convert to fraction form
    10,740.30/16,110.45 = 7,459.80/x
  3. Step 3: Cross multiply
    10,740.30x = 16,110.45 × 7,459.80
  4. Step 4: Simplify right side
    10,740.30x = 120,180,734.91
  5. Step 5: Solve for x
    x = 120,180,734.91/10,740.30
  6. Step 6: Final answer
    x = 11,189.70

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1.5x scale

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.