Home / 11,265.40-16,898.10-7,328.80

Finding the Fourth Proportional to 11,265.40, 16,898.10 and 7,328.80

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Solution

The fourth proportional to 11,265.40, 16,898.10 and 7,328.80 is: 10,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,265.40 : 16,898.10 = 7,328.80 : x
  2. Step 2: Convert to fraction form
    11,265.40/16,898.10 = 7,328.80/x
  3. Step 3: Cross multiply
    11,265.40x = 16,898.10 × 7,328.80
  4. Step 4: Simplify right side
    11,265.40x = 123,842,795.28
  5. Step 5: Solve for x
    x = 123,842,795.28/11,265.40
  6. Step 6: Final answer
    x = 10,993.20

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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.