Home / 14,740.48-20,339.55-8,451.64

Finding the Fourth Proportional to 14,740.48, 20,339.55 and 8,451.64

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Solution

The fourth proportional to 14,740.48, 20,339.55 and 8,451.64 is: 11,661.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,740.48 : 20,339.55 = 8,451.64 : x
  2. Step 2: Convert to fraction form
    14,740.48/20,339.55 = 8,451.64/x
  3. Step 3: Cross multiply
    14,740.48x = 20,339.55 × 8,451.64
  4. Step 4: Simplify right side
    14,740.48x = 171,902,554.36
  5. Step 5: Solve for x
    x = 171,902,554.36/14,740.48
  6. Step 6: Final answer
    x = 11,661.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.