Home / 10,451.04-15,671.70-3,877.08

Finding the Fourth Proportional to 10,451.04, 15,671.70 and 3,877.08

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Solution

The fourth proportional to 10,451.04, 15,671.70 and 3,877.08 is: 5,813.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,451.04 : 15,671.70 = 3,877.08 : x
  2. Step 2: Convert to fraction form
    10,451.04/15,671.70 = 3,877.08/x
  3. Step 3: Cross multiply
    10,451.04x = 15,671.70 × 3,877.08
  4. Step 4: Simplify right side
    10,451.04x = 60,760,434.64
  5. Step 5: Solve for x
    x = 60,760,434.64/10,451.04
  6. Step 6: Final answer
    x = 5,813.82

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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.