Home / 16,940.76-23,378.18-9,387.10

Finding the Fourth Proportional to 16,940.76, 23,378.18 and 9,387.10

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Solution

The fourth proportional to 16,940.76, 23,378.18 and 9,387.10 is: 12,954.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,940.76 : 23,378.18 = 9,387.10 : x
  2. Step 2: Convert to fraction form
    16,940.76/23,378.18 = 9,387.10/x
  3. Step 3: Cross multiply
    16,940.76x = 23,378.18 × 9,387.10
  4. Step 4: Simplify right side
    16,940.76x = 219,453,313.48
  5. Step 5: Solve for x
    x = 219,453,313.48/16,940.76
  6. Step 6: Final answer
    x = 12,954.16

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Double scale
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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.