Home / 12,177.53-18,266.43-4,386.41

Finding the Fourth Proportional to 12,177.53, 18,266.43 and 4,386.41

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Solution

The fourth proportional to 12,177.53, 18,266.43 and 4,386.41 is: 6,579.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177.53 : 18,266.43 = 4,386.41 : x
  2. Step 2: Convert to fraction form
    12,177.53/18,266.43 = 4,386.41/x
  3. Step 3: Cross multiply
    12,177.53x = 18,266.43 × 4,386.41
  4. Step 4: Simplify right side
    12,177.53x = 80,124,051.22
  5. Step 5: Solve for x
    x = 80,124,051.22/12,177.53
  6. Step 6: Final answer
    x = 6,579.66

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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.