Home / 10,113.60-15,163.20-4,562.40

Finding the Fourth Proportional to 10,113.60, 15,163.20 and 4,562.40

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Solution

The fourth proportional to 10,113.60, 15,163.20 and 4,562.40 is: 6,840.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,113.60 : 15,163.20 = 4,562.40 : x
  2. Step 2: Convert to fraction form
    10,113.60/15,163.20 = 4,562.40/x
  3. Step 3: Cross multiply
    10,113.60x = 15,163.20 × 4,562.40
  4. Step 4: Simplify right side
    10,113.60x = 69,180,583.68
  5. Step 5: Solve for x
    x = 69,180,583.68/10,113.60
  6. Step 6: Final answer
    x = 6,840.35

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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.