Home / 13,946.90-20,921.02-4,586.71

Finding the Fourth Proportional to 13,946.90, 20,921.02 and 4,586.71

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Solution

The fourth proportional to 13,946.90, 20,921.02 and 4,586.71 is: 6,880.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,946.90 : 20,921.02 = 4,586.71 : x
  2. Step 2: Convert to fraction form
    13,946.90/20,921.02 = 4,586.71/x
  3. Step 3: Cross multiply
    13,946.90x = 20,921.02 × 4,586.71
  4. Step 4: Simplify right side
    13,946.90x = 95,958,651.64
  5. Step 5: Solve for x
    x = 95,958,651.64/13,946.90
  6. Step 6: Final answer
    x = 6,880.29

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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.