Home / 12,377.41-18,561.66-4,477.88

Finding the Fourth Proportional to 12,377.41, 18,561.66 and 4,477.88

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Solution

The fourth proportional to 12,377.41, 18,561.66 and 4,477.88 is: 6,715.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377.41 : 18,561.66 = 4,477.88 : x
  2. Step 2: Convert to fraction form
    12,377.41/18,561.66 = 4,477.88/x
  3. Step 3: Cross multiply
    12,377.41x = 18,561.66 × 4,477.88
  4. Step 4: Simplify right side
    12,377.41x = 83,116,915.69
  5. Step 5: Solve for x
    x = 83,116,915.69/12,377.41
  6. Step 6: Final answer
    x = 6,715.21

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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.