Home / 12,829.98-19,247.12-4,507.86

Finding the Fourth Proportional to 12,829.98, 19,247.12 and 4,507.86

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Solution

The fourth proportional to 12,829.98, 19,247.12 and 4,507.86 is: 6,762.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,829.98 : 19,247.12 = 4,507.86 : x
  2. Step 2: Convert to fraction form
    12,829.98/19,247.12 = 4,507.86/x
  3. Step 3: Cross multiply
    12,829.98x = 19,247.12 × 4,507.86
  4. Step 4: Simplify right side
    12,829.98x = 86,763,322.36
  5. Step 5: Solve for x
    x = 86,763,322.36/12,829.98
  6. Step 6: Final answer
    x = 6,762.55

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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.