Home / 16,694.49-23,038.05-9,140.64

Finding the Fourth Proportional to 16,694.49, 23,038.05 and 9,140.64

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Solution

The fourth proportional to 16,694.49, 23,038.05 and 9,140.64 is: 12,613.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,694.49 : 23,038.05 = 9,140.64 : x
  2. Step 2: Convert to fraction form
    16,694.49/23,038.05 = 9,140.64/x
  3. Step 3: Cross multiply
    16,694.49x = 23,038.05 × 9,140.64
  4. Step 4: Simplify right side
    16,694.49x = 210,582,521.35
  5. Step 5: Solve for x
    x = 210,582,521.35/16,694.49
  6. Step 6: Final answer
    x = 12,613.89

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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.