Home / 12,671.04-19,004.32-3,437.76

Finding the Fourth Proportional to 12,671.04, 19,004.32 and 3,437.76

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Solution

The fourth proportional to 12,671.04, 19,004.32 and 3,437.76 is: 5,156.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671.04 : 19,004.32 = 3,437.76 : x
  2. Step 2: Convert to fraction form
    12,671.04/19,004.32 = 3,437.76/x
  3. Step 3: Cross multiply
    12,671.04x = 19,004.32 × 3,437.76
  4. Step 4: Simplify right side
    12,671.04x = 65,332,291.12
  5. Step 5: Solve for x
    x = 65,332,291.12/12,671.04
  6. Step 6: Final answer
    x = 5,156.03

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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.