Home / 16,856.21-23,257.42-10,306.06

Finding the Fourth Proportional to 16,856.21, 23,257.42 and 10,306.06

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Solution

The fourth proportional to 16,856.21, 23,257.42 and 10,306.06 is: 14,219.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,856.21 : 23,257.42 = 10,306.06 : x
  2. Step 2: Convert to fraction form
    16,856.21/23,257.42 = 10,306.06/x
  3. Step 3: Cross multiply
    16,856.21x = 23,257.42 × 10,306.06
  4. Step 4: Simplify right side
    16,856.21x = 239,692,282.06
  5. Step 5: Solve for x
    x = 239,692,282.06/16,856.21
  6. Step 6: Final answer
    x = 14,219.82

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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.