Home / 13,011.44-19,509.76-4,125.13

Finding the Fourth Proportional to 13,011.44, 19,509.76 and 4,125.13

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Solution

The fourth proportional to 13,011.44, 19,509.76 and 4,125.13 is: 6,185.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.44 : 19,509.76 = 4,125.13 : x
  2. Step 2: Convert to fraction form
    13,011.44/19,509.76 = 4,125.13/x
  3. Step 3: Cross multiply
    13,011.44x = 19,509.76 × 4,125.13
  4. Step 4: Simplify right side
    13,011.44x = 80,480,252.65
  5. Step 5: Solve for x
    x = 80,480,252.65/13,011.44
  6. Step 6: Final answer
    x = 6,185.35

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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.