Home / 16,951.20-25,426.80-13,670.70

Finding the Fourth Proportional to 16,951.20, 25,426.80 and 13,670.70

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Solution

The fourth proportional to 16,951.20, 25,426.80 and 13,670.70 is: 20,506.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,951.20 : 25,426.80 = 13,670.70 : x
  2. Step 2: Convert to fraction form
    16,951.20/25,426.80 = 13,670.70/x
  3. Step 3: Cross multiply
    16,951.20x = 25,426.80 × 13,670.70
  4. Step 4: Simplify right side
    16,951.20x = 347,602,154.76
  5. Step 5: Solve for x
    x = 347,602,154.76/16,951.20
  6. Step 6: Final answer
    x = 20,506.05

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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.