Home / 14,740.63-20,349.90-11,837.78

Finding the Fourth Proportional to 14,740.63, 20,349.90 and 11,837.78

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Solution

The fourth proportional to 14,740.63, 20,349.90 and 11,837.78 is: 16,342.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,740.63 : 20,349.90 = 11,837.78 : x
  2. Step 2: Convert to fraction form
    14,740.63/20,349.90 = 11,837.78/x
  3. Step 3: Cross multiply
    14,740.63x = 20,349.90 × 11,837.78
  4. Step 4: Simplify right side
    14,740.63x = 240,897,639.22
  5. Step 5: Solve for x
    x = 240,897,639.22/14,740.63
  6. Step 6: Final answer
    x = 16,342.42

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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.