Home / 12,665.04-18,996.08-4,868.39

Finding the Fourth Proportional to 12,665.04, 18,996.08 and 4,868.39

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Solution

The fourth proportional to 12,665.04, 18,996.08 and 4,868.39 is: 7,302.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,665.04 : 18,996.08 = 4,868.39 : x
  2. Step 2: Convert to fraction form
    12,665.04/18,996.08 = 4,868.39/x
  3. Step 3: Cross multiply
    12,665.04x = 18,996.08 × 4,868.39
  4. Step 4: Simplify right side
    12,665.04x = 92,480,206.59
  5. Step 5: Solve for x
    x = 92,480,206.59/12,665.04
  6. Step 6: Final answer
    x = 7,302.01

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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.