Home / 12,137.06-18,209.95-4,746.83

Finding the Fourth Proportional to 12,137.06, 18,209.95 and 4,746.83

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Solution

The fourth proportional to 12,137.06, 18,209.95 and 4,746.83 is: 7,121.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,137.06 : 18,209.95 = 4,746.83 : x
  2. Step 2: Convert to fraction form
    12,137.06/18,209.95 = 4,746.83/x
  3. Step 3: Cross multiply
    12,137.06x = 18,209.95 × 4,746.83
  4. Step 4: Simplify right side
    12,137.06x = 86,439,434.04
  5. Step 5: Solve for x
    x = 86,439,434.04/12,137.06
  6. Step 6: Final answer
    x = 7,121.94

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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.