Home / 14,270.40-21,407.88-4,407.36

Finding the Fourth Proportional to 14,270.40, 21,407.88 and 4,407.36

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Solution

The fourth proportional to 14,270.40, 21,407.88 and 4,407.36 is: 6,611.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.40 : 21,407.88 = 4,407.36 : x
  2. Step 2: Convert to fraction form
    14,270.40/21,407.88 = 4,407.36/x
  3. Step 3: Cross multiply
    14,270.40x = 21,407.88 × 4,407.36
  4. Step 4: Simplify right side
    14,270.40x = 94,352,234.00
  5. Step 5: Solve for x
    x = 94,352,234.00/14,270.40
  6. Step 6: Final answer
    x = 6,611.74

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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.