Home / 12,243.23-16,895.31-6,938.04

Finding the Fourth Proportional to 12,243.23, 16,895.31 and 6,938.04

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Solution

The fourth proportional to 12,243.23, 16,895.31 and 6,938.04 is: 9,574.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243.23 : 16,895.31 = 6,938.04 : x
  2. Step 2: Convert to fraction form
    12,243.23/16,895.31 = 6,938.04/x
  3. Step 3: Cross multiply
    12,243.23x = 16,895.31 × 6,938.04
  4. Step 4: Simplify right side
    12,243.23x = 117,220,336.59
  5. Step 5: Solve for x
    x = 117,220,336.59/12,243.23
  6. Step 6: Final answer
    x = 9,574.30

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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.