Home / 16,687.98-23,022.78-10,718.70

Finding the Fourth Proportional to 16,687.98, 23,022.78 and 10,718.70

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Solution

The fourth proportional to 16,687.98, 23,022.78 and 10,718.70 is: 14,787.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687.98 : 23,022.78 = 10,718.70 : x
  2. Step 2: Convert to fraction form
    16,687.98/23,022.78 = 10,718.70/x
  3. Step 3: Cross multiply
    16,687.98x = 23,022.78 × 10,718.70
  4. Step 4: Simplify right side
    16,687.98x = 246,774,271.99
  5. Step 5: Solve for x
    x = 246,774,271.99/16,687.98
  6. Step 6: Final answer
    x = 14,787.55

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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.