Home / 11,346.93-17,008.65-8,219.21

Finding the Fourth Proportional to 11,346.93, 17,008.65 and 8,219.21

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Solution

The fourth proportional to 11,346.93, 17,008.65 and 8,219.21 is: 12,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,346.93 : 17,008.65 = 8,219.21 : x
  2. Step 2: Convert to fraction form
    11,346.93/17,008.65 = 8,219.21/x
  3. Step 3: Cross multiply
    11,346.93x = 17,008.65 × 8,219.21
  4. Step 4: Simplify right side
    11,346.93x = 139,797,581.12
  5. Step 5: Solve for x
    x = 139,797,581.12/11,346.93
  6. Step 6: Final answer
    x = 12,320.30

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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.