Home / 18,977.04-26,202.06-12,266.46

Finding the Fourth Proportional to 18,977.04, 26,202.06 and 12,266.46

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Solution

The fourth proportional to 18,977.04, 26,202.06 and 12,266.46 is: 16,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977.04 : 26,202.06 = 12,266.46 : x
  2. Step 2: Convert to fraction form
    18,977.04/26,202.06 = 12,266.46/x
  3. Step 3: Cross multiply
    18,977.04x = 26,202.06 × 12,266.46
  4. Step 4: Simplify right side
    18,977.04x = 321,406,520.91
  5. Step 5: Solve for x
    x = 321,406,520.91/18,977.04
  6. Step 6: Final answer
    x = 16,936.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.