Home / 12,977.81-17,792.58-12,741.35

Finding the Fourth Proportional to 12,977.81, 17,792.58 and 12,741.35

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Solution

The fourth proportional to 12,977.81, 17,792.58 and 12,741.35 is: 17,468.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,977.81 : 17,792.58 = 12,741.35 : x
  2. Step 2: Convert to fraction form
    12,977.81/17,792.58 = 12,741.35/x
  3. Step 3: Cross multiply
    12,977.81x = 17,792.58 × 12,741.35
  4. Step 4: Simplify right side
    12,977.81x = 226,701,425.48
  5. Step 5: Solve for x
    x = 226,701,425.48/12,977.81
  6. Step 6: Final answer
    x = 17,468.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.