Home / 14,256.20-21,384.30-4,394.60

Finding the Fourth Proportional to 14,256.20, 21,384.30 and 4,394.60

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Solution

The fourth proportional to 14,256.20, 21,384.30 and 4,394.60 is: 6,591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.20 : 21,384.30 = 4,394.60 : x
  2. Step 2: Convert to fraction form
    14,256.20/21,384.30 = 4,394.60/x
  3. Step 3: Cross multiply
    14,256.20x = 21,384.30 × 4,394.60
  4. Step 4: Simplify right side
    14,256.20x = 93,975,444.78
  5. Step 5: Solve for x
    x = 93,975,444.78/14,256.20
  6. Step 6: Final answer
    x = 6,591.90

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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.