Home / 14,280.43-21,405.93-5,965.30

Finding the Fourth Proportional to 14,280.43, 21,405.93 and 5,965.30

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Solution

The fourth proportional to 14,280.43, 21,405.93 and 5,965.30 is: 8,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280.43 : 21,405.93 = 5,965.30 : x
  2. Step 2: Convert to fraction form
    14,280.43/21,405.93 = 5,965.30/x
  3. Step 3: Cross multiply
    14,280.43x = 21,405.93 × 5,965.30
  4. Step 4: Simplify right side
    14,280.43x = 127,692,794.23
  5. Step 5: Solve for x
    x = 127,692,794.23/14,280.43
  6. Step 6: Final answer
    x = 8,941.80

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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.