Home / 16,847.40-25,271.10-14,125.80

Finding the Fourth Proportional to 16,847.40, 25,271.10 and 14,125.80

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Solution

The fourth proportional to 16,847.40, 25,271.10 and 14,125.80 is: 21,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,847.40 : 25,271.10 = 14,125.80 : x
  2. Step 2: Convert to fraction form
    16,847.40/25,271.10 = 14,125.80/x
  3. Step 3: Cross multiply
    16,847.40x = 25,271.10 × 14,125.80
  4. Step 4: Simplify right side
    16,847.40x = 356,974,504.38
  5. Step 5: Solve for x
    x = 356,974,504.38/16,847.40
  6. Step 6: Final answer
    x = 21,188.70

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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.