Home / 13,349.36-20,023.66-3,488.65

Finding the Fourth Proportional to 13,349.36, 20,023.66 and 3,488.65

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Solution

The fourth proportional to 13,349.36, 20,023.66 and 3,488.65 is: 5,232.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349.36 : 20,023.66 = 3,488.65 : x
  2. Step 2: Convert to fraction form
    13,349.36/20,023.66 = 3,488.65/x
  3. Step 3: Cross multiply
    13,349.36x = 20,023.66 × 3,488.65
  4. Step 4: Simplify right side
    13,349.36x = 69,855,541.46
  5. Step 5: Solve for x
    x = 69,855,541.46/13,349.36
  6. Step 6: Final answer
    x = 5,232.88

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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.