Home / 13,250.15-19,873.08-3,388.91

Finding the Fourth Proportional to 13,250.15, 19,873.08 and 3,388.91

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Solution

The fourth proportional to 13,250.15, 19,873.08 and 3,388.91 is: 5,082.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.15 : 19,873.08 = 3,388.91 : x
  2. Step 2: Convert to fraction form
    13,250.15/19,873.08 = 3,388.91/x
  3. Step 3: Cross multiply
    13,250.15x = 19,873.08 × 3,388.91
  4. Step 4: Simplify right side
    13,250.15x = 67,348,129.23
  5. Step 5: Solve for x
    x = 67,348,129.23/13,250.15
  6. Step 6: Final answer
    x = 5,082.82

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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.