Home / 16,649.17-22,979.07-10,688.38

Finding the Fourth Proportional to 16,649.17, 22,979.07 and 10,688.38

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Solution

The fourth proportional to 16,649.17, 22,979.07 and 10,688.38 is: 14,752.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,649.17 : 22,979.07 = 10,688.38 : x
  2. Step 2: Convert to fraction form
    16,649.17/22,979.07 = 10,688.38/x
  3. Step 3: Cross multiply
    16,649.17x = 22,979.07 × 10,688.38
  4. Step 4: Simplify right side
    16,649.17x = 245,608,974.76
  5. Step 5: Solve for x
    x = 245,608,974.76/16,649.17
  6. Step 6: Final answer
    x = 14,752.03

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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.