Home / 16,870.40-25,305.60-12,496.40

Finding the Fourth Proportional to 16,870.40, 25,305.60 and 12,496.40

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Solution

The fourth proportional to 16,870.40, 25,305.60 and 12,496.40 is: 18,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,870.40 : 25,305.60 = 12,496.40 : x
  2. Step 2: Convert to fraction form
    16,870.40/25,305.60 = 12,496.40/x
  3. Step 3: Cross multiply
    16,870.40x = 25,305.60 × 12,496.40
  4. Step 4: Simplify right side
    16,870.40x = 316,228,899.84
  5. Step 5: Solve for x
    x = 316,228,899.84/16,870.40
  6. Step 6: Final answer
    x = 18,744.60

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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.