Home / 12,737.76-19,106.64-4,417.79

Finding the Fourth Proportional to 12,737.76, 19,106.64 and 4,417.79

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Solution

The fourth proportional to 12,737.76, 19,106.64 and 4,417.79 is: 6,626.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,737.76 : 19,106.64 = 4,417.79 : x
  2. Step 2: Convert to fraction form
    12,737.76/19,106.64 = 4,417.79/x
  3. Step 3: Cross multiply
    12,737.76x = 19,106.64 × 4,417.79
  4. Step 4: Simplify right side
    12,737.76x = 84,409,027.59
  5. Step 5: Solve for x
    x = 84,409,027.59/12,737.76
  6. Step 6: Final answer
    x = 6,626.68

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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.