Home / 12,977.51-19,460.10-6,731.27

Finding the Fourth Proportional to 12,977.51, 19,460.10 and 6,731.27

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Solution

The fourth proportional to 12,977.51, 19,460.10 and 6,731.27 is: 10,093.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,977.51 : 19,460.10 = 6,731.27 : x
  2. Step 2: Convert to fraction form
    12,977.51/19,460.10 = 6,731.27/x
  3. Step 3: Cross multiply
    12,977.51x = 19,460.10 × 6,731.27
  4. Step 4: Simplify right side
    12,977.51x = 130,991,090.03
  5. Step 5: Solve for x
    x = 130,991,090.03/12,977.51
  6. Step 6: Final answer
    x = 10,093.70

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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.