Home / 14,182.80-21,274.20-10,912.40

Finding the Fourth Proportional to 14,182.80, 21,274.20 and 10,912.40

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Solution

The fourth proportional to 14,182.80, 21,274.20 and 10,912.40 is: 16,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,182.80 : 21,274.20 = 10,912.40 : x
  2. Step 2: Convert to fraction form
    14,182.80/21,274.20 = 10,912.40/x
  3. Step 3: Cross multiply
    14,182.80x = 21,274.20 × 10,912.40
  4. Step 4: Simplify right side
    14,182.80x = 232,152,580.08
  5. Step 5: Solve for x
    x = 232,152,580.08/14,182.80
  6. Step 6: Final answer
    x = 16,368.60

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Similar ratio
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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.