Home / 16,982.49-25,473.75-5,139.63

Finding the Fourth Proportional to 16,982.49, 25,473.75 and 5,139.63

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Solution

The fourth proportional to 16,982.49, 25,473.75 and 5,139.63 is: 7,709.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,982.49 : 25,473.75 = 5,139.63 : x
  2. Step 2: Convert to fraction form
    16,982.49/25,473.75 = 5,139.63/x
  3. Step 3: Cross multiply
    16,982.49x = 25,473.75 × 5,139.63
  4. Step 4: Simplify right side
    16,982.49x = 130,925,649.71
  5. Step 5: Solve for x
    x = 130,925,649.71/16,982.49
  6. Step 6: Final answer
    x = 7,709.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.