Home / 14,678.08-22,020.72-6,877.80

Finding the Fourth Proportional to 14,678.08, 22,020.72 and 6,877.80

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Solution

The fourth proportional to 14,678.08, 22,020.72 and 6,877.80 is: 10,318.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,678.08 : 22,020.72 = 6,877.80 : x
  2. Step 2: Convert to fraction form
    14,678.08/22,020.72 = 6,877.80/x
  3. Step 3: Cross multiply
    14,678.08x = 22,020.72 × 6,877.80
  4. Step 4: Simplify right side
    14,678.08x = 151,454,108.02
  5. Step 5: Solve for x
    x = 151,454,108.02/14,678.08
  6. Step 6: Final answer
    x = 10,318.39

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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.