Home / 13,530.24-20,291.04-4,294.08

Finding the Fourth Proportional to 13,530.24, 20,291.04 and 4,294.08

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Solution

The fourth proportional to 13,530.24, 20,291.04 and 4,294.08 is: 6,439.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,530.24 : 20,291.04 = 4,294.08 : x
  2. Step 2: Convert to fraction form
    13,530.24/20,291.04 = 4,294.08/x
  3. Step 3: Cross multiply
    13,530.24x = 20,291.04 × 4,294.08
  4. Step 4: Simplify right side
    13,530.24x = 87,131,349.04
  5. Step 5: Solve for x
    x = 87,131,349.04/13,530.24
  6. Step 6: Final answer
    x = 6,439.75

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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.