Home / 12,377.63-18,558.24-4,479.11

Finding the Fourth Proportional to 12,377.63, 18,558.24 and 4,479.11

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Solution

The fourth proportional to 12,377.63, 18,558.24 and 4,479.11 is: 6,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377.63 : 18,558.24 = 4,479.11 : x
  2. Step 2: Convert to fraction form
    12,377.63/18,558.24 = 4,479.11/x
  3. Step 3: Cross multiply
    12,377.63x = 18,558.24 × 4,479.11
  4. Step 4: Simplify right side
    12,377.63x = 83,124,430.73
  5. Step 5: Solve for x
    x = 83,124,430.73/12,377.63
  6. Step 6: Final answer
    x = 6,715.70

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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.