Home / 14,838.21-20,476.98-9,172.82

Finding the Fourth Proportional to 14,838.21, 20,476.98 and 9,172.82

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Solution

The fourth proportional to 14,838.21, 20,476.98 and 9,172.82 is: 12,658.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,838.21 : 20,476.98 = 9,172.82 : x
  2. Step 2: Convert to fraction form
    14,838.21/20,476.98 = 9,172.82/x
  3. Step 3: Cross multiply
    14,838.21x = 20,476.98 × 9,172.82
  4. Step 4: Simplify right side
    14,838.21x = 187,831,583.70
  5. Step 5: Solve for x
    x = 187,831,583.70/14,838.21
  6. Step 6: Final answer
    x = 12,658.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.