Home / 12,378.96-18,569.88-4,588.56

Finding the Fourth Proportional to 12,378.96, 18,569.88 and 4,588.56

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Solution

The fourth proportional to 12,378.96, 18,569.88 and 4,588.56 is: 6,883.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,378.96 : 18,569.88 = 4,588.56 : x
  2. Step 2: Convert to fraction form
    12,378.96/18,569.88 = 4,588.56/x
  3. Step 3: Cross multiply
    12,378.96x = 18,569.88 × 4,588.56
  4. Step 4: Simplify right side
    12,378.96x = 85,209,008.57
  5. Step 5: Solve for x
    x = 85,209,008.57/12,378.96
  6. Step 6: Final answer
    x = 6,883.37

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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.