Home / 11,465.58-17,169.21-10,503.30

Finding the Fourth Proportional to 11,465.58, 17,169.21 and 10,503.30

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Solution

The fourth proportional to 11,465.58, 17,169.21 and 10,503.30 is: 15,728.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,465.58 : 17,169.21 = 10,503.30 : x
  2. Step 2: Convert to fraction form
    11,465.58/17,169.21 = 10,503.30/x
  3. Step 3: Cross multiply
    11,465.58x = 17,169.21 × 10,503.30
  4. Step 4: Simplify right side
    11,465.58x = 180,333,363.39
  5. Step 5: Solve for x
    x = 180,333,363.39/11,465.58
  6. Step 6: Final answer
    x = 15,728.24

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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.