Home / 14,276.41-21,402.31-5,517.47

Finding the Fourth Proportional to 14,276.41, 21,402.31 and 5,517.47

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Solution

The fourth proportional to 14,276.41, 21,402.31 and 5,517.47 is: 8,271.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.41 : 21,402.31 = 5,517.47 : x
  2. Step 2: Convert to fraction form
    14,276.41/21,402.31 = 5,517.47/x
  3. Step 3: Cross multiply
    14,276.41x = 21,402.31 × 5,517.47
  4. Step 4: Simplify right side
    14,276.41x = 118,086,603.36
  5. Step 5: Solve for x
    x = 118,086,603.36/14,276.41
  6. Step 6: Final answer
    x = 8,271.45

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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.