Home / 14,489.60-21,734.56-4,628.80

Finding the Fourth Proportional to 14,489.60, 21,734.56 and 4,628.80

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Solution

The fourth proportional to 14,489.60, 21,734.56 and 4,628.80 is: 6,943.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489.60 : 21,734.56 = 4,628.80 : x
  2. Step 2: Convert to fraction form
    14,489.60/21,734.56 = 4,628.80/x
  3. Step 3: Cross multiply
    14,489.60x = 21,734.56 × 4,628.80
  4. Step 4: Simplify right side
    14,489.60x = 100,604,931.33
  5. Step 5: Solve for x
    x = 100,604,931.33/14,489.60
  6. Step 6: Final answer
    x = 6,943.25

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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.