Home / 12,887.24-19,330.85-3,527.34

Finding the Fourth Proportional to 12,887.24, 19,330.85 and 3,527.34

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Solution

The fourth proportional to 12,887.24, 19,330.85 and 3,527.34 is: 5,291.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887.24 : 19,330.85 = 3,527.34 : x
  2. Step 2: Convert to fraction form
    12,887.24/19,330.85 = 3,527.34/x
  3. Step 3: Cross multiply
    12,887.24x = 19,330.85 × 3,527.34
  4. Step 4: Simplify right side
    12,887.24x = 68,186,561.75
  5. Step 5: Solve for x
    x = 68,186,561.75/12,887.24
  6. Step 6: Final answer
    x = 5,291.01

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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.