Home / 12,563.60-18,856.24-5,554.40

Finding the Fourth Proportional to 12,563.60, 18,856.24 and 5,554.40

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Solution

The fourth proportional to 12,563.60, 18,856.24 and 5,554.40 is: 8,336.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,563.60 : 18,856.24 = 5,554.40 : x
  2. Step 2: Convert to fraction form
    12,563.60/18,856.24 = 5,554.40/x
  3. Step 3: Cross multiply
    12,563.60x = 18,856.24 × 5,554.40
  4. Step 4: Simplify right side
    12,563.60x = 104,735,099.46
  5. Step 5: Solve for x
    x = 104,735,099.46/12,563.60
  6. Step 6: Final answer
    x = 8,336.39

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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.