Home / 12,252.67-16,913.71-8,280.53

Finding the Fourth Proportional to 12,252.67, 16,913.71 and 8,280.53

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Solution

The fourth proportional to 12,252.67, 16,913.71 and 8,280.53 is: 11,430.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.67 : 16,913.71 = 8,280.53 : x
  2. Step 2: Convert to fraction form
    12,252.67/16,913.71 = 8,280.53/x
  3. Step 3: Cross multiply
    12,252.67x = 16,913.71 × 8,280.53
  4. Step 4: Simplify right side
    12,252.67x = 140,054,472.27
  5. Step 5: Solve for x
    x = 140,054,472.27/12,252.67
  6. Step 6: Final answer
    x = 11,430.53

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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.