Home / 13,887.60-20,834.70-4,527.68

Finding the Fourth Proportional to 13,887.60, 20,834.70 and 4,527.68

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Solution

The fourth proportional to 13,887.60, 20,834.70 and 4,527.68 is: 6,792.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887.60 : 20,834.70 = 4,527.68 : x
  2. Step 2: Convert to fraction form
    13,887.60/20,834.70 = 4,527.68/x
  3. Step 3: Cross multiply
    13,887.60x = 20,834.70 × 4,527.68
  4. Step 4: Simplify right side
    13,887.60x = 94,332,854.50
  5. Step 5: Solve for x
    x = 94,332,854.50/13,887.60
  6. Step 6: Final answer
    x = 6,792.60

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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.