Home / 16,943.39-23,382.40-9,389.02

Finding the Fourth Proportional to 16,943.39, 23,382.40 and 9,389.02

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Solution

The fourth proportional to 16,943.39, 23,382.40 and 9,389.02 is: 12,957.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,943.39 : 23,382.40 = 9,389.02 : x
  2. Step 2: Convert to fraction form
    16,943.39/23,382.40 = 9,389.02/x
  3. Step 3: Cross multiply
    16,943.39x = 23,382.40 × 9,389.02
  4. Step 4: Simplify right side
    16,943.39x = 219,537,821.25
  5. Step 5: Solve for x
    x = 219,537,821.25/16,943.39
  6. Step 6: Final answer
    x = 12,957.14

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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.