Home / 13,275.55-19,940.66-12,832.68

Finding the Fourth Proportional to 13,275.55, 19,940.66 and 12,832.68

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Solution

The fourth proportional to 13,275.55, 19,940.66 and 12,832.68 is: 19,275.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275.55 : 19,940.66 = 12,832.68 : x
  2. Step 2: Convert to fraction form
    13,275.55/19,940.66 = 12,832.68/x
  3. Step 3: Cross multiply
    13,275.55x = 19,940.66 × 12,832.68
  4. Step 4: Simplify right side
    13,275.55x = 255,892,019.25
  5. Step 5: Solve for x
    x = 255,892,019.25/13,275.55
  6. Step 6: Final answer
    x = 19,275.44

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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.